Eugene Porter (TV Series)

"It was. I introduced a sabotaging aspect to the manufacturing process unbeknownst to my colleagues, inspired by Gabriel's purposeful ineptitude. And a few things you imparted to me before I vomited on you. Ergo, I created a modicum of phooey for a full kablooey."

- Eugene to Rosita, explaining his inspiration and strategy.

Eugene Porter is a main character and a former antagonist as well as a survivor of the outbreak in AMC's The Walking Dead. He and his travelling companions Abraham Ford and Rosita Espinosa were en route to Washington, D.C., before Eugene revealed that he had been lying about being a scientist. Eugene is an intelligent man whose skills in producing resources and intellect are much appreciated by the Saviors, but were not recognized by the members of Alexandria. He later joined the Saviors and eventually became a high-ranking member, and served as one of Negan's lieutenants and the Sanctuary's chief engineer. Following a tense encounter with his former protector Rosita, Eugene reevaluated his decisions and saved the Militia by causing the Savior weapons to explode at a vital moment, earning his friends forgiveness and acceptance once more.

Personality
Eugene is aloof, eccentric, and highly intelligent. While a detriment to the group while on the road due to his cowardice and clumsiness, being neither "combat ready or for that matter combat inclined," Eugene's value is evident in his ability to build helpful devices such as water filters and batteries out of common items. He's also extremely able to force locks. Due to some of his personality quirks, Eugene may have Asperger's Syndrome, a fact that producers have hinted at. He shows extremely poor social skills, poor coordination, peculiar habits of speech, and seems to have difficulty reading body language. He enjoys reading books and he is shown to be highly interested in video games. He sports a mullet, which he is very proud of. He is somewhat of a voyeur, who enjoys watching people having sex and eyeing up women. He very rarely smiles and speaks in a long winded, pedantic and clinical fashion. He has on occasion shown an ability in neologisms, evident when he saw a very unusual stuffed toy he took a liking to and named it a "grimbly gunk". He has a fondness for good food such as lobster, and also enjoys pickles.

Eugene prioritizes his survival over anything else, even allowing multiple people to sacrifice themselves to protect him under the false belief that he was an important scientist, although at the same time he was genuinely remorseful over this-he was always compassionate enough to care when others died and honestly showed regret over their sacrifices, but at the same time could not find the courage to put others before himself, something he was deeply ashamed of. After being kidnapped by the Saviors, he uses the same lie in order to impress Negan, and seemingly becomes one of his men in order to survive. Despite his manipulative abilities, he does possess a will to do good when he can, and as he continues to survive, he begins to put into perspective the importance of his conscience, going so far as to expose his lie for the well-being of his new friends.

Over the course of the second half of Season 5 and the entirety of Season 6, Eugene slowly begins to develop his skills as a survivor, and his courage. While this is slow at first, it is only when the survivors fight back against the herd in Alexandria that he truly shows he has developed the courage and skills needed to survive. This evolution continues after the time jump, and he shows his courage and newfound skills to survive when he is taken hostage by Dwight and the Saviors, and gives the other survivors the opportunity to fight back. Eugene even offers to put his life in danger to distract the Saviors from Rick and the group while they attempted to take a sick Maggie to the Hilltop Colony, showing how mature he'd become over the course of the series.

Eugene's newfound confidence, courage and selflessness however is severely retracted when he is captured along with his fellow survivors by the Saviors and is forced to witness the brutal executions of his close friends Abraham and Glenn within minutes of each other. Ever since that night, Eugene has reverted back to his cowardly state in order to continue surviving under Negan so he can never feel as afraid for his life as he did at that moment.

As the Sanctuary comes under siege, Eugene is shown to heavily question his decisions and his loyalties. As a result, Eugene has trouble sleeping and begins drinking heavily. Though Eugene discovers that Dwight has betrayed the Saviors, he chooses not to expose him, even after Dwight directly foils his plan to lead the walkers away. He is also conflicted with whether or not to help Gabriel escape with Harlan Carson to help Maggie and claims that Rick's group are now just his former traveling companions. Daryl and Tara letting the walker herd inside the Sanctuary appears to cause Eugene to let go of all ties to his former friends and to now state that anything he does will be for his own benefit. Despite this, Eugene still remains conflicted to the point that he aids Gabriel and Harlan in escaping to ease his conscience.

After being made the leader of his own outpost, Eugene begins to act more tyrannical and cruel, appearing to let his new power go to his head. He shows little care for Gabriel beyond keeping him from getting others sick (although this is most likely because he is angry about the death of Harlan, who was killed after Gabriel convinced Eugene to help them escape from the Sanctuary).

After an encounter with Rosita and the reminder of his betrayal of the only friends he ever had, Eugene has a change of heart and takes a stand by sabotaging the Savior weapons to allow the Militia to win. In doing so, Eugene acts selflessly as he would've been safe if he hadn't betrayed the Saviors and allowed them to slaughter his former friends. Eugene's act of bravery saves the lives of many people and earns him the forgiveness of the friends he had proclaimed to no longer care about. When discussing his choice with Rosita, Eugene makes it clear that it was her opinion of him and his actions that swayed him to do the right thing in the end.

Six years after Rick's supposed death, Eugene seems to have become a far braver, more competent, and more selfless individual, as he fearlessly took out several walkers, and was even willing to distract a large herd so that Rosita could get away.

Houston, Texas
Very little is known about Eugene's life before or as the outbreak began, Eugene lied about who he was, stating that he worked on a Human Genome project with nine other scientists, dealing with research on how to combat diseases with other diseases.

He is seen to be an avid fan of video games. He is also seen to have knowledge of dinosaurs, as he mentions that no one can know for sure if the zombie disease didn't cause the extinction of the dinosaurs; though he admits it's highly unlikely but he finds the theory highly amusing. While his occupation prior to the outbreak is unknown, he appears to possess a vast amount of knowledge of many different areas, and is well read.

Post-Apocalypse
Eugene somehow survived the onset of the outbreak, and eventually came across Abraham Ford, who saved him from walkers. Seeing the opportunity of being protected, he lied to Abraham, pretending he was a scientist who knows what caused the epidemic, and that he was on a mission to go to the capital, where supposedly he could reverse the effects of the plague and restore order to the world. During their journey they encountered fellow survivor Althea, who interviewed them both before parting ways.

Eventually, they were joined by Rosita Espinosa and several other survivors, who traveled from Houston to northern Georgia, losing several members on the way.

"Inmates"
After Glenn Rhee collapses from fighting off walkers, Tara Chambler uses the end of the latter's gun to kill the remaining walker. While she does so, they pull their truck up to her. After Tara sarcastically thanks them for their help, the trio exit their truck, to which Abraham tells her that she has "quite a mouth," then asks about what else she has.

"Claimed"
Attempting to stop Glenn from leaving the convoy, Abraham reveals that Eugene knows what caused the outbreak and is escorting him to Washington D.C., but does not give any additional information about the mission. A fight between Glenn and Abraham alerts walkers in a nearby cornfield, Eugene attempts to alert them about the danger, but is unsuccessful. Eugene gets an automatic firearm from the truck, and due to him being inexperienced with using firearms, he shoots a hole in the truck's gas tank. The rest of the group finish off the walkers, and due to the truck now being useless, Abraham, Rosita, and Eugene leave with Glenn and Tara to look for another vehicle to complete their mission.

"Us"
Eugene is seen with Rosita, Abraham, Glenn and Tara as he talks to Tara about video games as they walk down the railroad, and she hands him a metal object that he remarks can be used for a homemade battery. The group comes across a building where a walker is just about to fall on top of Eugene until Abraham shoves him out of the way, knocking Tara down in the process. Eugene is given Glenn's riot gear for protection as part of a deal to Abraham so that they can keep going forward towards Terminus in search of Maggie. As the group parts ways with Tara and Glenn at the train tunnel, Eugene tells Tara that he found her hot, even though he was aware of the fact she was a lesbian. Eugene, Abraham and Rosita find an abandoned van on the street, with Abraham killing the walker inside. Eugene expresses concern for Glenn and Tara, although both Abraham and Rosita press on that Glenn and Tara are not their priority. As Abraham sleeps in the back, Eugene gives Rosita directions which ends up bringing them on top of the train tracks to the area where Glenn and Tara would exit according to his calculations. He reveals that the trio's origin point was Houston, Texas and that they spent a long time making their way across the country, eventually ending up in Northern Georgia. Their convoy was also bigger, and they had lost 8 people along the way. Eugene spots Bob Stookey, Maggie Greene, and Sasha Williams while Rosita and Abraham argue over her stopping the van for Eugene. Together, the six of them are able to rescue Glenn and Tara from a herd of walkers. Eugene, Rosita, Abraham, Glenn, Tara, Bob, Sasha and Maggie find Terminus and are greeted by Mary, who offers them something to eat and welcomes them to Terminus.

"A"
Eugene appears in the train car at Terminus when Rick Grimes, his son Carl, Michonne, and Daryl Dixon enter.

"No Sanctuary"
Eugene is seen to be trapped in the train car with the rest of the group, who are all making makeshift weapons. The group is then ordered by the Terminus residents to go to either side of the car. Expecting the residents to come through the side door, the group readies themselves to fight their way out, however, the Terminus residents open a top door and drop a flash-bang grenade into the car, disorienting the group and taking Rick, Bob, Daryl, and Glenn to be butchered.

Later, the group left in the car hears the explosion set off by Carol Peletier, Eugene sets up a charge by the train car door in case no one is there to let them out.

Sasha then demands to know what the cure to the outbreak is. After continued attempts by Abraham and Rosita to deter her questions, Eugene admits that he was part of the Human Genome Project, and that he may know a way to reverse the outbreak in Washington, D.C..

Rick and the other three, having escaped the butchers, free the rest of the group and fight their way out of Terminus, jumping the fence. Eugene is not a good fighter so tries to stay away from conflict. When a walker tries to grab him he swerves and lets Sasha deal with it. Eugene, Abraham, and Rosita are seen leaving Terminus with Rick's group, after meeting up with Carol, Tyreese Williams, and Rick's infant daughter Judith.

"Strangers"
Eugene is seen to be traveling with Rick's group, when they happen upon a man in distress in the woods, who reveals himself to be Father Gabriel Stokes. He and the group are lead to Gabriel's church, in which Abraham coaxes Rick and his group to travel to Washington DC with them during dinner. Rick agrees.

"Four Walls and a Roof"
When Abraham and Rosita hear that they're being watched, they wanted to leave the Church, and continue their journey to Washington. Abraham tells Eugene to get up, however he refuses. Being told once more, Eugene finally gets up before walking towards the church doors, before Rick says they can't take the bus, in which Abraham and Rick begins an argument over. Abraham gets aggressive, and Rosita tries to stop him. When Tara, Maggie and Glenn tells them that they're going with them if they just wait 12 hours. Abraham agrees with the plan, and they stay. When Rick and the others are on their way to slaughter the Hunters, Eugene stays at the church where he sits behind a desk. When Gareth and the Hunters get in the church, he mentions Eugene's name knowing he is there. Right before the Hunters break into the room they're staying in, Rick comes back and saves them. The next day, Rosita, Abraham, Eugene, Maggie, Tara, and Glenn head to Washington, D.C..

"Self Help"
Eugene is first seen in the bus thinking about what Gabriel had been saying at the church. Maggie then asks him how long it'll take to stop the walkers, where he explains a number of factors contribute. He tells Glenn he likes his own hair and his old boss T. Brooks Ellis loved his hair. The bus then breaks down and flips over a car. Eugene is okay but walkers arrive at the bus. Everyone except Tara and Eugene jump out to kill walkers. Eugene is trapped inside by a walker but Tara kills it, tells him to 'get brave' and hands him a knife. They leave the bus and Eugene is petrified and doesn't help. But when he sees a walker about to kill Tara he stabs it and saves her. After the fight, Abraham is concerned about Eugene but he tells him he is fine. Eugene suggests heading back to the church but Abraham insists on continuing. Before leaving, he spits on the walker that was going to kill Tara. Eugene is next seen watching Abraham and Rosita have sex, where it is suggested he does it a lot. Tara comes and tells him she's grateful to him for saving her life. He confesses he sabotaged the bus and no one would keep him around if he couldn't save the world. Tara says they would because he's her friend.

The next day when the group is attacked, Eugene uses a fire hose on top of a fire truck to save everyone. The group continues down the road and Eugene is seen reading 'The Shape of Things To Come'. Maggie comes over and tells him she thinks he has the mullet so it's not like he is like everyone else. When Abraham insists they go through a herd of walkers, Eugene is dragged by him. The others try to stop Abraham until Eugene screams that he's not a scientist. Everyone is shocked. Eugene reveals that he lied about knowing a cure, and that he only wanted to get to Washington D.C. in order to ensure his survival Rosita guilts him by telling him people died trying to get him here, including Bob. Eugene admits he is aware of that, but when he inadvertently comments that he is "smarter than you" an enraged Abraham punches Eugene repeatedly, badly injuring him and leaving him an unconscious bloody mess.

"Crossed"
Eugene is unconscious throughout the episode as a result of Abraham's beating. At one point, Maggie uses a ladder and a blanket to shield Eugene from the sun. He regains consciousness at the end of the episode, as he is heard making moaning noises.

"Coda"
Eugene is seen unconscious in the back of the fire truck when Abraham, Rosita, Eugene, Tara, Glenn, and Maggie return back to Father Gabriel's church.

"What Happened and What's Going On"
Eugene appears when he listens to Rick explains the camp Noah was talking about, then in the end he watches the group burying Tyreese and Gabriel speaking.

"Them"
Eugene is with the group on their long trek. When "a friend" leaves them water and the others don't want to risk it being poison, Eugene tries to drink some but Abraham swats it away. He helps keep the barn doors closed when walkers attack.

"The Distance"
Eugene watches as the group deals with Aaron, a supposed recruiter for a community called the Alexandria Safe-Zone. He then goes out to guard the perimeter. He rides the RV on both legs of the journey to Alexandria, playing cards on the table with the others.

"Remember"
Eugene enters Alexandria with the rest of his group and is interviewed by Deanna Monroe, leader of the Safe-Zone, where she assigns him to work on the solar arrays that help power the town. He can be seen residing in the house with everyone during the first few nights of their stay in Alexandria. When Glenn and Deanna's son Aiden get into a brawl at the town gate, Eugene can be seen watching among the townspeople.

"Spend"
Eugene is tasked with helping Glenn, Tara, Noah, another supply runner Nicholas, and Aiden find components of a power grid in a nearby warehouse. Due to his acknowledged cowardly nature, Eugene becomes reluctant to take part in the assignment and even more reluctant to carry a gun, but he is forced to join them because he is the only person who can identify what the group is looking for.

While at the warehouse, Eugene finds the parts of the power generator with Tara, but the supply run goes awry when Aiden accidentally shoots a grenade on a walker, causing an explosion that frees all of the other walkers in the building. Although Eugene is unharmed, Tara is knocked unconscious and suffers massive head trauma. When a walker approaches them, Eugene tries to kill it, only to be attacked by another from behind, and saved by Noah. After the group brings Tara into an office to check her wounds, they discover Aiden, whom they presumed dead, is still alive. When Glenn states they will need at least three people to save him, Eugene offers to stay behind and look after Tara.

With the others gone, Eugene uses this opportunity to escape, although he manages to carry Tara out of the building and take down two walkers in the process. He ultimately winds up helping the group by using noise from the van to draw walkers away from them. Afterwards, Eugene waits in the vehicle for rest of the group, when he is confronted by Nicholas, who orders him to drive off now or he will be left behind. Eugene refuses to leave without the others, but is unable to stop Nicholas from commandeering the van. Nevertheless, Nicholas is stopped by Glenn, who savagely beats him. Eugene asks Glenn to know what happened to Noah, but Glenn refused to answer as they put Nicholas in the back of the van. On the drive back to Alexandria, Eugene is seen staring at the still-unconscious Tara.

"Conquer"
Eugene appears sleeping by Tara as Abraham comes by to check on her. Abraham then notices Eugene sleeping and says that he'll be back to check on her later after he left, but before he can leave Rosita knocks over a nearby pan sleet on purpose to wake Eugene. After giving her a shocked and disapproving stare, Abraham turns back towards the now awake Eugene. The two begin a slow conversation, with Eugene mentioning that Tara saved his life multiple times before he did the same. He then goes on to apologize to Abraham for lying to him about Washington. After a brief moment Abraham does the same, mentioning that he almost killed Eugene. After the two make amends they continue to watch over Tara with Rosita.

Eugene is later present at Deanna's community meeting, regarding Rick, and witnesses everything that takes place.

"First Time Again"
Eugene is first seen at Alexandria's infirmary where he visits Tara. A few seconds later, Glenn and Nicholas enter, wounded from their fight with each other in the woods but tell the people inside it was an accident relating to shrapnel. Eugene is later seen at one of the gates when an unknown man, who introduces himself as Heath, comes up, asking for entry. Eugene tells him that he is simply covering for another's shift and is unable to let him in due to lacking the proper authority. However, he eventually lets him in after Heath tells him that he lives in Alexandria. Heath asks him if any recent events had taken place, and Eugene tells him to speak with Deanna. Before he leaves, Eugene tells him that he appreciates him keeping up with the "hair game".

He is later seen at the meeting discussing Rick's plan relating to the large herd at the nearby quarry. Sometime after, he is seen in the food pantry gathering food for himself when he overhears one Alexandrian, Carter, trying to convince Deanna's son Spencer, Tobin, Francine, and Olivia to help kill Rick and take back Alexandria from Rick as he believes they are becoming dangerous and power-hungry. Eugene drops a glass jar which alerts Carter of his presences. Carter approaches Eugene and says that he heard the plan before aiming his gun at Eugene. Eugene states that he didn't hear anything. He is almost killed by Carter, but is saved as Rick, Michonne, and newcomer Morgan Jones walk in on them and disarm Carter.

"JSS"
Eugene and Tara head into the infirmary and meet Dr. Denise Cloyd who was a psychiatrist. She had wanted to help out Pete, the previous town doctor, but he didn't want her help. Now with Pete's death she is the Safe-Zone's new doctor. Eugene is not sure of of her but Denise asserts she can do it. Meanwhile during the Wolves attack, Aaron and Rosita bring Holly in after she got attacked. Eugene stays with Denise and Tara. When they were trying to help Holly, Eugene doesn't want Denise to be a coward. When Denise tries to preform surgery, Holly dies.

"Now"
Eugene is briefly seen listening to Rick's speech to the Alexandrian's regarding the herd outside the walls.

"Always Accountable"
At the end of the episode, Eugene's voice is heard calling for help on the radio.

"Heads Up"
Eugene is seen attending Rosita's lesson on how to use a machete, but seems very distracted by the noise of the walkers outside. He admits that he's scared of dying; Rosita tells him that dying is easy and that watching friends die is much harder to bear.

"Start to Finish"
Eugene is rescued by Tara and Rosita from the herd of walkers, seconds after hearing Daryl on the radio and letting out a cry of help. The three seek refuge and get trapped in a nearby garage. Later, Eugene uses his lock-picking skills to escape the room. They stumble into the same room where Owen is holding Denise captive, with Carol and Morgan unconscious on the floor. He forces them to surrender their weapons and Eugene watches as the Wolf leaves the house, taking Denise with him.

"No Way Out"
During the final battle in Alexandria, Eugene informs Rosita that they will soon have to make a stand against the herd, but she tells him that "we will, not you", knowing he is unlikely to do anything. When Morgan, Carol, Tara and Rosita go out into battle, Eugene decides to join them, even after Rosita says he doesn't have to - he tells her "no one gets to clock out today. And hell, this is a story people are gonna tell." Eugene then proceeds to fight in the battle and helps to slaughter the herd throughout the night. The next day, he is seen with the other residents resting at the infirmary.

"The Next World"
Eugene opens the Alexandria gates for Rick and Daryl as they leave for a supply run. He gives Daryl a map of the area and discusses ways to track down sorghum in order to drastically improve their food stocks.

"Not Tomorrow Yet"
Eugene attends the meeting at the church concerning the plan of attack on the Saviors. He is later seen shortly after Rosita and Abraham break up, standing at their bedroom doorway while eating one of Carol's beet and acorn cookies and commenting on the cookie's soft texture, before Rosita slams the door in his face.

"Twice as Far"
Eugene is first seen taking over his daily shift on gate duty.

Eugene and Abraham leave Alexandria. Abraham comments on Eugene’s hair and his recent transformation. Eugene tells him he is a survivor, which Abraham dismisses.

They arrive at a building that Eugene plans to use for manufacturing bullets. Abraham is about to kill an approaching walker, but Eugene calls dibs. The strike from his machete bounces off the metal that has melted on to the walker’s head and he struggles with it, Abraham eventually stepping in and killing it. Eugene is furious and tells Abraham he no longer needs his protection and has outlived his usefulness to him. Abraham leaves and tells Eugene to find his own way home.

After Denise is killed by Dwight, it is revealed that he and his men have captured Eugene. Dwight demands that he, Daryl and Rosita take them back to Alexandria and if they do not oblige, he will kill them. Eugene spots Abraham hiding behind oil barrels nearby and insists that they should kill him first. Dwight orders Neil to investigate, and while he is distracted Eugene turns and bites his crotch. Abraham uses the distraction to shoot two Saviors, including Neil, and Daryl and Rosita are able to retrieve their guns. Dwight manages to break free from Eugene, who is hit during the shootout. As Dwight and the remaining Saviors flee, Abraham, Rosita and Daryl carry Eugene back to Alexandria.

Back at the infirmary, Eugene has been patched up after he was grazed by a bullet. He tells Abraham that he was not trying to get him killed and was looking for their opportunity. Eugene asks him if he is apologizing for doubting his skills as a survivor, which he confirmed. “You know how to bite a dick, Eugene, and I mean that with the utmost respect,” Abraham says in awe.

"Last Day on Earth"
Eugene insists on joining Rick and the others in escorting Maggie to Hilltop in the RV. When the group encounters the first blockade of Saviors, Eugene exits the vehicle with everyone else while Rick converses with one of the Saviors. Once back inside the RV, he and Sasha study a map and figure out an alternative route.

The group comes across a line of walkers chained together blocking the road. Eugene notes that such an elaborate roadblock took a lot of people to accomplish. When the Saviors start firing at them from the woods, Eugene retreats back into the RV as Rick clears a path for them to continue.

They encounter yet another roadblock, this time a giant wall of logs in the middle of the road. Eugene points out the tire marks and again comments that this took vast manpower and a lot of vehicles. The Saviors then hang their captive from a nearby overpass. The logs erupt in flames behind them, and the Savior remarks that it may be the last day on Earth for one of Rick’s people. They return to the RV and drive off.

Inside the RV, Eugene points out that the Saviors are probably looking for the RV and might not expect them to travel by foot. After nightfall, Rick and Eugene go over the plan: Eugene will drive the empty RV to lure the Saviors. Eugene hands Rick a recipe for making bullets, in the event that he gets killed. Rick smiles and says that they're lucky to have Eugene with them. "You're a survivor," Abraham tells Eugene. They hug. Eugene then gets into the RV and drives away.

It is revealed Eugene was captured and beaten by the Saviors, and he is lined up with the others. Negan then exits the RV and tells the group that he is going to 'beat the holy hell' out of one of them as punishment for killing his men. He begins his game of Eeny, Meeny, Miny, Moe and as his bat crashes down on one of the survivors, Eugene’s fate is left unknown.

"The Day Will Come When You Won't Be"
When Abraham is beating beaten by Lucille, Eugene can be seen visibly scared, and on the brink of tears after seeing his friend die. When Negan begins to kill Glenn's in the same manner, Eugene is horrified, and can be seen sobbing into his hands. He later helped Rosita and Sasha carry Abraham's body to the RV.

"Service"
Eugene is by the gates as Rosita and Spencer drive up and ask him to open it. Spencer asks if he would like to help, but Eugene says he doesn’t think he’d be up to that and he is repairing a portable audio system for when the Saviors arrive. He looks worried when Negan shows up and demands to be let in. Later, he is present during the meeting in the church to locate the missing guns. When no one speaks up, he looks around and notes that some people are absent from the meeting. That night, Rosita pays Eugene a visit and shows him an empty shell casing and asks him to make her a bullet.

"Swear"
Eugene is on lookout duty when he sees Tara approaching Alexandria. He meets her at the gate and starts tearing up, upset about Tara finding out that Denise, Glenn and Abraham were killed by the Saviors.

"Sing Me a Song"
Eugene and Rosita are about to leave when he realizes she has no intention of scavenging for Negan. After arguing with Spencer, Rosita leads Eugene out of Alexandria.

Eugene and Rosita arrive at the factory that he had previously taken Abraham to with the intent to manufacture bullets. She orders him to make her one using the shell casing she found in Alexandria. Eugene hesitates and says that a single bullet won't do it as the Saviors have the numbers and someone will pay the price for her actions. Rosita calls him a coward and says he is only alive because he lied and people feel sorry for him. She says she will pay the price and tells him to do something useful for once. Eugene quietly gets to work, deeply hurt and wounded by her words.

As they approach Alexandria, Rosita thanks Eugene for making a bullet and apologizes. He refuses to accept the apology and says that she meant what she said, now she just feels bad. Spencer drives up and reveals a bounty of supplies and weapons. He whistles towards the gate and a Savior opens it. They realize that Negan is in Alexandria.

"Hearts Still Beating"
As Spencer hands over his scavenged goods to the Saviors, Laura begins flirting with Spencer, in which Eugene watches from a short distance away. Laura catches him and orders him to walk away or else.

Later, Eugene gathers around with the other residents as Spencer and Negan play pool in the street. He watches in horror as Negan disembowels Spencer, and Rosita tries to kill Negan with the bullet he reluctantly made for her, but she hits Lucille instead. Negan recognizes the bullet is homemade and demands to know who made it. Rosita lies and insists it was her, and Eugene is horrified when Arat shoots Olivia in the face as punishment. Negan refuses to leave until he knows who made the bullet. Tara steps in and claims it was her, but Eugene interjects and confesses it was him. Rosita begs the Saviors to take her instead as Eugene is taken away.

"Hostiles and Calamities"
Eugene arrives at The Sanctuary and shakes with fear as he is escorted through the building by Laura, who takes him to a private apartment and reveals Daryl has escaped. She asks Eugene if he has any leads to his whereabouts; Eugene tells her that he doesn't and assures her that he'd tell her if he did. Eugene is delighted to find the fridge stocked with food and Laura offers him something to eat. He asks for canned pasta in tomato sauce. He's disappointed to learn that they're out of pickles.

Laura shows Eugene around the factory floor and explains the Saviors' point system, which he's exempt from; he can take whatever he wants. She gifts him a jar of pickles. Outside, Eugene is brought before Negan. When asked for his name, Eugene responds with "Eugene." Negan then prompts the Saviors for their names and they respond in unison: "Negan." Negan grills Eugene about his credentials. Scared, Eugene falls back on an old lie and claims he has multiple PhDs and was part of the Human Genome Project. Negan asks Eugene for advice on how to prevent his fence-line walkers from deteriorating. Eugene impresses Negan with his proposed solution: covering them in a shell of liquefied metal that will make the walkers indestructible once it dries. As a reward for his ingenuity, Negan offers to send several of his wives to Eugene's apartment.

Eugene plays video games while three of Negan's wives watch. During conversation, Tanya jokingly asks if Eugene knows how to make a bomb. Eugene lists the ingredients he would need to make one.

Eugene walks outside with Amber, Tanya and Frankie. He mixes ingredients and ignites a bomb. The wives clap giddily.

Later, Tanya and Frankie visit Eugene, seeking his help; they explain that Amber wants to commit suicide and ask if he can make some pills for her. Eugene reluctantly agrees. He uses his position of power to cut in line in the marketplace and order cold capsules. He goes back to his apartment and makes the pills.

Laura escorts Eugene to the factory floor, where a crowd has gathered around the furnace. Negan enters and points Lucille directly at Eugene. "You are gonna wanna pay close attention to this," he says. Eugene tries to look away as Negan beats Dr Carson, but Laura forces him to watch as Negan throws Dr Carson head first into the furnace, burning him alive, and horrifying Eugene further.

Frankie and Tanya visit Eugene in his apartment. He correctly guesses that the pills are for Negan, not Amber, and refuses to hand them over. Tanya calls him a coward, to which Eugene responds "That's a correct assessment" They leave angrily.

Negan pays Eugene a visit. He tells Eugene that he doesn't make his invitation lightly and explains that he doesn't need to be scared anymore. Negan asks Eugene "Who are –" but before he finishes the question, Eugene seemingly betrays his former friends by responding "I'm Negan".

Eugene oversees workers at the Sanctuary fence-line as they execute his plan to fortify the walkers with molten metal. Dwight joins Eugene on the upper stairway. Dwight asks him if he's on board; Eugene assures him that he is. After a name exchange, Eugene ends his introduction with, "We are Negan." To this, Dwight reluctantly replies "...yeah."

"The Other Side"
While trying to assassinate Negan, Rosita and Sasha observe Eugene in the Savior's compound, apparently giving orders. They later hear a radio broadcast made by Eugene who is now the Saviors Chief Engineer. That night, while Eugene and another Savior go to examine the fence, Rosita and Sasha kill the other Savior and attempt to rescue Eugene. Tearfully, Eugene refuses, telling them that he didn't ask to be rescued nor does he want to be. Eugene tells the two to go as other Saviors must be en route before running back inside.

"Something They Need"
Eugene brings Sasha a blanket and pillow. He explains that he's never been as scared as he was that night in the RV in the woods; he joined Negan to ensure he never feels that way again. He recommends she do the same. Sasha orders him to leave.

Eugene stops by Sasha's cell and assures her she made the right choice in joining Negan. Sasha sobs, convinced that she made the wrong decision and she'll be used as a tool against Rick's group. She begs Eugene to bring her a weapon – a knife, gun or razor blade – so she can kill herself before Negan uses her against their friends. He agrees to consider her request.

Eugene knocks on Sasha's cell door and slips her the suicide pill that he made for Frankie and Tanya. He tells her he does not want her to go, but by the sounds of things she's already gone.

"The First Day of the Rest of Your Life"
Eugene helps Negan prepare to ambush Alexandria using Sasha as part of the plan. Before loading Sasha into a coffin, Eugene gives her an MP3 player to pass the time.

After arriving at Alexandria, Eugene calls for Rick to concede or die. Rick reluctantly signals Rosita to trigger the explosives in the moving van next to Eugene, but the Scavengers have betrayed Alexandria and Rick's group is captured. As Negan releases Sasha from the coffin, she emerges as a walker, having used Eugene's suicide pills. A firefight immediately breaks out, and Eugene flees back to the truck. He is later transported out of Alexandria when reinforcements from the Kingdom and the Hilltop force the Saviors and Scavengers to retreat.

Returning to the Sanctuary, the Saviors prepare for war. Negan questions Eugene on Sasha's death, but he lies that they wrapped the tarp too tight around the coffin and she suffocated.

"Mercy"
Eugene makes his first appearance during the Militia's attack on the Sanctuary. He exits the Sanctuary alongside Negan, Dwight, Simon, Regina and Gavin. Eugene tries to talk but Rick shuts him down. Rick offers everyone a chance to survive if they surrender.

Eugene and the others refuse to surrender, and once the Militia opens fire on them, he and the others proceed to flee back inside the Sanctuary.

"The Big Scary U"
Eugene is present for the meeting with Gregory, Negan and his other lieutenants (Simon, Dwight, Regina, and Gavin) at the Sanctuary. They discuss the joint rebellion of Alexandria, the Hilltop and the Kingdom. The meeting is interrupted when shots are fired by the militia, and Regina and the others exit to face the intruders. The events of "Mercy" then take place.

Following the herd and the loss of Negan, the lieutenants inside the Sanctuary debate what to do in their current predicament. Regina is the first to suggest that they must assume Negan is dead. Simon disagrees and questions if Regina is really Negan; she states that she is. She then proposes that they send a crew of forty workers outside to clear a path in the herd, but Eugene argues that the workers would be overcome in minutes. Regina explains that the workers would be a distraction while a small team snuck past the herd to warn the outposts. Eugene points out flaws in that plan as well, claiming it would cause unrest among the workers. They continue to disagree until Dwight becomes a voice of reason. Dwight takes Eugene's side. Gavin turns his attention to who the Savior mole has to be. Dwight turns the conversation to everyone needing to get out. Simon agrees with Dwight and promises they will kill whoever the mole is, slowly over a few days, with everyone looking at Eugene.

Eugene enters Dwight's room with his jar of cucumbers. He expresses thanks for Dwight's support in the meeting. He tells Dwight they will get out of this "pickle" together. Eugene sits at a chess set and touches a piece but Dwight tells him to be careful and wait because they're still wet. he made them himself. Eugene leaves, thanking Dwight once gain. Eugene plays video games at the Sanctuary until the power suddenly goes out.

Later, Simon makes a decision to turn off Sanctuary's power since they cannot access the fuel reserves. The workers, suffering from the heat, move up onto the second floor, against their normal orders, knowing something is wrong and they demand to see Negan. Eugene and the lieutenants try to vouch for him when suddenly they hear Negan's whistling, and they all fall onto their knees. Negan and Gabriel, who escaped the trailer by covering themselves in the viscera of the walkers, have made it safely here. Negan reaffirms his power, and the workers quickly agree to return to work. Negan orders Gabriel to be kept in a cell.

Later, Eugene, his fellow lieutenants and Negan are being debriefed on a weapons bag from worker who tried to assassinate Simon earlier. The group concludes that a worker from the sanctuary could not have acquired anything from the armory and deduces it must've been given to them by the traitor. Eugene observes the bag and sees a spot of paint on it, the same color as that on his finger from touching Dwight's chess set. Keeping the discovery to himself while he looks at Dwight. Privately, Negan tells Eugene he will reward him handsomely if he can figure out the mole within the Saviors. Eugene later goes to see Gabriel and finds him suffering, and calls for medical attention. Eugene orders him to Harlan Carson, but Gabriel insists they have to get to the doctor for Maggie.

"Time for After"
Eugene sits in his room, attempting to brainstorm a list of facts he knows about the current situation. He then confronts Dwight in his room and makes it known that he is aware of his involvement in Rick's plan. He attempts to talk Dwight down from any further opposition in exchange for keeping his involvement a secret, but Dwight insists that, with all that is occurring, the Saviors are sure to face defeat. Eugene refuses to defy Negan and walks out, warning Dwight not to try anything else that would result in any harm to the Sanctuary's inhabitants. Eugene observes the front doors of the compound, still swarmed with walkers. He asks Laura how long the barricades will hold, she theorizes at least one or two days. Eugene is called to the infirmary by Harlan Carson, who is tending to Gabriel's worsening condition. Carson speculates several infections, and that Gabriel does not have long before his situation grows dire. While he shows concern due to not having the right medicine, Eugene condemns Gabriel's actions as a member of Rick's militia, deeming it partially his fault for his current condition.

Carson leaves Eugene in charge of watching Gabriel while he ventures to the marketplace to search for the appropriate medicine. Gabriel awakens, asking if Eugene is willing to help him break Carson out of the compound. Eugene reminds him that the area is overrun and that he is someone who only looks out for himself. They share a talk about the principle of doing the "right thing", Eugene is adamant that doing the right thing for one could mean trouble for another, while Gabriel argues that doing the right thing requires faith in one's self and believing that God has a plan for everyone. When Eugene deems Gabriel's beliefs as absurd, he retorts that as a man of science, Eugene would have initially doubted the concept of walking corpses, showing that the unbelievable is still possible. With this concept, Gabriel expresses hope that Eugene will eventually know when to do the right thing when the time comes. Eugene ponders his words, looking down at the dry red paint on his thumb.

Eugene is visited in his room by Tanya, who inquires about a broken radio that Eugene was tasked with repairing a week prior. He explains that he was unable to complete the task due to the current situation, and expresses concern that Tanya does not seem troubled; she recounts that she's already felt trapped while serving under Negan. Tanya give Eugene one more day to fix her radio, but he asks for the second bottle of wine that she is holding before she leaves, explaining that it'll help him sleep. Tanya explains that she also has trouble sleeping, due to the stress of not being able to rid the Saviors of Negan and the unsuccessful attempt of enlisting Eugene's help with the task. She condemns his choices before handing him the bottle and leaving. Laura then walks in, informing Eugene that Negan sent for him. Eugene meets with Negan in the conference room. Negan expresses an increasing worry for the safety of his community, while praising Eugene and his efforts in the compound. He shakes his hand, explaining that not many people receive the same privilege of mutual respect. Eugene accepts this, declaring that there is work that needs to be done before leaving the room.

Getting to work on the radio, Eugene extracts one of the speakers, inspecting it. Gaining a fresh idea, he searches one of the storage rooms for materials. He comes across the coffin used to transport Sasha, having vivid and disturbing flashbacks to her shocking reveal as a walker. He opens it, discovering her discarded iPod still resting at the foot of the coffin. On one of the Sanctuary's balconies, Eugene sets his new contraption, a makeshift drone fitted with a speaker and an iPod, on a ramp leading out and above the walker herd, in hopes that the herd will follow the blaring music when it goes airborne. He records an audio log of his observations, but as he prepares to activate it, he is called out to and held at gunpoint by Dwight.

Dwight orders Eugene to step away from the drone. Eugene relays his plan to Dwight, insisting that he'll be saving the lives of the Savior workers and soldiers, but Dwight argues that his actions will also lead to the deaths of Rick and his men, people who Eugene now considers former travelling companions. He informs him that the plan will save the lives of both the Saviors and the Militia, and that taking out Negan is the number one priority and goal. Eugene remains firm that Negan will prevail, causing Dwight to threaten him further. Despite the gun to his head, Eugene proceeds to activate the drone and pilot it over the herd. As Eugene flies the drone, Dwight turns his gun's aim towards it and fires several times, destroying it. Eugene looks down and sees Daryl's truck heading toward the building. Several Saviors perched at the window are fired upon by Tara, Morgan and the lookouts as Daryl crashes the truck into the Sanctuary, breaching the walls and allowing the herd to pour in.

Eugene arrives in time to witness the brunt of the assault. Shock and horror slowly turns to rage and fury as he observes the dead feasting on several innocent workers. Storming into the infirmary, a fuming Eugene angrily rejects Gabriel's philosophies, blaming his and Sasha's downfalls on their choices of doing the "right thing" and refusing to help with Carson's escape, instead choosing to remain faithful to Negan and ensuring that Carson stays within the walls of the compound for his own sake. Gabriel says nothing as he storms back out.

Eugene proposes an escape plan to Negan, who comments that it will take much of their ammunition. Eugene concurs Negan's statement, while affirming that he will be able to restock The Saviors' munitions supplies given he has access to the proper manufacturing equipment. As he is about to reveal a solution regarding another emergency, Regina and Dwight enters the room reporting that they have secured the stairways while the walkers are contained to the ground floor. Eugene stares intently at Dwight, then informs Negan that he intends to repair the intercom system, giving them an advantage in communications with the rest of the community. Negan is underwhelmed, to which Eugene responds that it is merely something of personal pride. Eugene sits in his room, the sound of gunfire outside ringing in his ears. Stress overwhelms him, and he hobbles toward his wine bottle, taking a shot before taking several swigs from the bottle.

"How It's Gotta Be"
Its revealed that Eugene successfully managed to figure out a way to clear the walkers from the inside of the Sanctuary, allowing Simon's men to lead the rest of the herd away.

Eugene continues to be unable to sleep and drinks heavily. Finally, Eugene awakens Gabriel and Harlan, stating that he has decided to help them escape. Though Eugene acknowledges that Gabriel likely won't survive the trip to the Hilltop, he is willing to fulfill his old friend's wishes to ease his conscience and though he doesn't believe so, Gabriel insists that he Eugene is doing the right thing. Eugene uses a massive dose of laxative to disable the guard at the North Gate and prepares a vehicle for the two, the keys to which he "accidentally" drops as he leaves Gabriel's room. Though Gabriel promises that Eugene will be welcomed back if he comes with them, Eugene refuses and remains with the Saviors.

In the flashes at the end of the episode, Eugene is shown to still be unable to sleep.

"Honor"
In Carl's envisioned future, Eugene is tending the gardens in Alexandria and offers Judith a green apple.

"Dead or Alive Or"
Eugene is questioned by Negan, disappointed that Eugene's efforts have not completely alleviated the issues at hand and that his two captives have somehow escaped undetected, unaware that Eugene was responsible. Negan affirms to that once Carson and Gabriel are caught and brought back to the Sanctuary, he will find out about their escapades. A nervous Eugene inquires about the events that occurred at Alexandria, Negan questions his inquiry, asking if he cares despite Alexandria's actions against him since his defection.

Negan then places Eugene in charge of his own outpost, a small team in charge of crafting munitions for the Saviors. Eugene shows concern, as Negan claims to view people as a valuable resource. Negan explains that the bullets are a last resort, should Rick's group refuse to come to terms with the Saviors. After Negan explains Eugene's security detail, Eugene asks if there will be a wine supply, he confirms this.

Eugene works with his team on crafting bullets. Frankie approaches him with the intent of helping around the workshop. Eugene instead treats her poorly, seeing her as a form of maid service. Eugene orders some food for his men. He designates a room as the cafeteria. Negan suddenly bursts into the room, followed by two Saviors bringing in a recaptured Gabriel, but not Carson, who was killed by the Saviors.

Negan claims to have a story from Gabriel on the circumstances of his and Carson's escape. To Eugene's relief, Gabriel does not hold Eugene responsible for the planning of their escape, but rather Carson. Negan then leaves Gabriel in charge of arranging Eugene's bullet casings.

Eugene reports that while his munitions have been of great quality, the quantity of supplies is running low. He suggests the possibility of launching walker viscera at the opposing forces in a last-resort effort to dissuade them from fighting. Gaining a new set of ideas from this otherwise-ludicrous scenario, Negan leaves, satisfied. Eugene approaches Gabriel, who is still traumatized by Carson's death. He laments that he believed he had found his purpose. Eugene brushes this off and shoves a tray toward Gabriel, demanding he begin sorting casings.

"Still Gotta Mean Something"
Outside the Bullet Factory Outpost, Eugene is observed by Rosita and Daryl receiving a shipment of hundreds of bullet casings to make into new bullets. Rosita decides that instead of taking out the machines, they will take out the man, implying she intends to kill Eugene, something that Daryl agrees with.

"Worth"
At the Bullet Factory Outpost, Eugene chastises Gabriel for making faulty bullets because he doesn't want to see his friends killed and suspends him from the assembly line. Eugene is captured by Rosita and Daryl while heading outside to test the homemade bullets. Eugene defends his loyalty to Negan, saying he did it to survive. Rosita angrily blames Eugene for being responsible for many deaths because he provided ammo for the Saviors, while Eugene believes that it was Rick's fault. She insults him, calling him a coward and traitor, and while they will let him live, he will be forced to work for them and lock him up. After seeing a herd of walkers, while Daryl fights them, Eugene forces himself to vomit on Rosita in order to escape. Eugene then hides under ashes as the pair pursue him. At the Sanctuary, an angered Eugene prepares the workers to meet Negan's quota for ammo in the upcoming battle against the Militia.

"Wrath"
Eugene returns to the Sanctuary with his bullet order and gives a gun to Negan to demonstrate their effectiveness. Eugene learns that Dwight has been exposed as a traitor, but doesn't reveal his own knowledge of this fact. Instead, Eugene suggests that the Saviors use one massive firing line to overwhelm and kill the Militia at once, an idea that is accepted.

Eugene rides with Negan, Laura and Gabriel to Negan's ambush of the Militia, listening to Negan describe his plans in detail to Gabriel. When Gabriel tries to escape, Eugene chases after him with Laura and recaptures Gabriel. Holding Gabriel at gunpoint, Eugene berates Gabriel for his lack of faith before Negan interrupts.

During the Militia ambush, Eugene watches silently from beside Negan. When the Saviors open fire, their guns suddenly explode, killing many Saviors. Negan turns on Eugene in anger, but he is attacked by Gabriel and then Dwight, causing Negan to run. In the resulting battle, Regina and a few other Saviors go after Eugene who is unable to defend himself in time. However, Eugene's life is saved by Rosita who shoots down the Saviors. Following the surrender of the Saviors and the defeat of Negan, Eugene joins everyone else in listening to Rick's speech.

With the war over, Rosita asks if Eugene was responsible for the exploding Savior weapons. Eugene admits that he was, inspired by Gabriel's attempted sabotage and some of the things Rosita said to him while she held him captive. Rosita punches Eugene in the face for vomiting on her, but otherwise appears to forgive him.

"A New Beginning"
During the year and a half that passed since the end of the war, Eugene moved to the Sanctuary to help Daryl and Rosita look after it's residents.

At the Sanctuary, Rosita helps Eugene with an experiment while Laura reports something to Daryl. Later, Eugene radios Tara while she is scouting to inform her that Daryl will be meeting the rest of the group so they can go to Washington D.C. to search for farming materials.

When Rick and the group arrive at the Sanctuary to deliver supplies, Eugene tries to give Daryl a list of important materials they need but is told it isn't necessary the moment. Suddenly, Michonne points out graffiti that proclaims, "We are still Negan". Eugene tells Daryl that he doesn't know who painted that.

"The Bridge"
At a camp, which the communities have set up in the woods, Eugene talks to Rick about the deserted Saviors and a plan that will serve to distract an oncoming herd. When he notices a Savior with their hand missing, he stops and looks on in shock, feeling guilty. Later, when Rick arrives at the bridge to stop Daryl and Justin from fighting, Eugene helps controlling the Saviors. In the camp, at night, as everyone laughs and talks, Eugene is seen sharing a moment with Rosita, Tara and others.

"The Obliged"
At the camp, Eugene updates Rick on the status of the rising river in relation to their bridge construction. He apologizes for the bad news but Rick reminds him how valuable he is to them, making him smile.

"What Comes After"
On the bridge, as Rick limps away before collapsing, he hallucinates as Eugene and the others rush past him to kill the walkers. Michonne stops and sees Rick’s wound. She reminds him she fell in love with him because he’s a fighter. After killing the walkers, everyone stops to watch them. Michonne tells Rick how much she loves him and he tells her, “This isn’t real.” Michonne tells him to wake up and he does, now alone on the bridge.

The walkers approach as Rick hobbles away. He makes it across the bridge and turns around hoping to see the walkers fall through, to no avail. A walker makes its way inches away from Rick before getting shot in the head by a crossbow bolt. Rick watches as Eugene and the rest arrive nearby.

Maggie and Michonne hatch a plan to divert the walkers but Rick won’t allow it. He notices the dynamite on the bridge, takes aim, and says to himself “I found them,” before shooting and igniting the dynamite. The bridge ignites and explodes as Eugene and the rest can only watch in horror, assuming Rick to be dead.

"Who Are You Now?"
Six years later, Eugene along with Rosita, Aaron and Laura find Judith in the woods helping Magna’s group. A few walkers get close to the group and Eugene easily dispatches of them. Wanting to take them in, Judith declares she won’t go return to Alexandria until they accept them. Eugene and the others reluctantly agree.

In Alexandria, Magna’s group arrives at the gates and Judith assures them they’ll be safe. They get escorted inside, where Gracie runs over to Aaron. Rosita updates Siddiq on Yumiko’s condition and he escorts her to the infirmary. Magna tries to tag along but is stopped by D.J.

Michonne arrives on horseback and doesn’t look pleased to see the new arrivals. She frisks Magna and asks Eugene why they’re here. Aaron claims it was his call but Michonne reminds him it’s not his call to make. “I decided,” Judith tells her. Michonne scolds her but Aaron says they’re here now and they should decide their fate together, while Gabriel suggests they vote tomorrow. Michonne agrees and instructs her people to put them in holding. She leaves as her sheriff figurine falls out of her pocket and Judith picks it up.

Later, on the way to set up the amplifier, Eugene questions Rosita about her fling with Gabe and reminds her some men prefer facts over fairy tales, implying he has feelings for her. Suddenly, they notice fresh footprints on the mud of a neary herd that head on a different direction, relieving them.

On top of a water tower, Eugene places the amplifier and begins to climb down before seeing a walker herd head toward them. Rosita screams for him to climb down as his pack falls and the horses get spooked. Part of the ladder falls so Eugene jumps down, injuring his knee. Rosita runs over with a makeshift crutch and the two run off into the woods.

In the woods, Eugene slows down as he and Rosita keep running from the walkers. He suggests he stay behind to distract them and reveals he has something to tell her. She tells him not to make it weird and forces him to keep going.

After a while, Eugene and Rosita slide down a ditch and cover themselves in mud as the walkers get closer. They stay still but get shocked and horrified as the walkers pass by and whisper to each other: ''“Where are they? ... They must be close... Don’t let them get away.”''

"Evolution"
Eugene will appear in this episode.

Killed Victims
This list shows the victims Eugene has killed:
 * Olivia (Indirectly Caused)
 * Sasha Williams (Caused)
 * Roy (Indirectly Caused)
 * Harlan Carson (Indirectly Caused)
 * Cam (Possibly; Caused)
 * Wade (Possibly; Caused)
 * Huck (Possibly; Caused)
 * Many unnamed Saviors (Caused)
 * Numerous counts of zombies

Relationships
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Abraham Ford
"Thank you for your protection... I almost certainly needed it between here and Houston but your services are no longer required. The truth, plain and honest. You've outlived your usefulness to me."

- Eugene scolding Abraham after saving him from a walker.

Abraham is seen to be Eugene's escort to Washington, DC. It is seen that Eugene feels a superiority complex over Abraham, because he considers himself to be smarter than Abraham. However, Abraham does not appear to be that angry over the disabling of their vehicle, despite it being caused by Eugene's poor riflemanship from his failed attempt to kill some walkers. Abraham was willing to do anything to protect Eugene, up until the latter finally revealed that he is not a scientist and doesn't know how to stop the plague, completely severing their friendship and partnership, as Abraham beats Eugene almost to death. Despite this, Abraham still preserves Eugene's life when he knocks a bottle of water he found on the road from his hand, fearing it could be poisoned.

Their friendship is repaired while visiting an unconscious Tara - Eugene apologizes for his lie as Abraham apologizes for almost killing him, and they both seem to return to being friends. However, in "Twice as Far" when Abraham saves him from being bitten by a walker whose head is drenched in liquid metal, Eugene scolds him as he could have killed it himself and that he no longer needs Abraham's protection but the two repair their relationship after Eugene helps save Rosita and Daryl from the Saviors by creating a diversion and biting Dwight in the crotch, taking a bullet during the firefight as well.

When Eugene volunteers himself as a diversion to get Maggie to Hilltop, Abraham and he share a touching moment of reminiscence, and they hug. Upon Abraham's execution, Eugene is utterly devastated by the loss of his mentor, protector, and best friend. Eugene will later help carry his body to the RV.

Despite having witnessed his brutal death at the hands of Negan, Eugene eventually sides with the Saviors to ensure his own survival, essentially betraying all that Abraham had done for him by siding with the ones who had killed him.

Rosita Espinosa
As traveling companions, it can be assumed that they have a stable friendship. However, in "Us", Rosita is annoyed at Eugene's lack of navigational skills. Eugene is also mentioned by Abraham to be attracted to Rosita, as he watches her and Abraham together quite often. After finding out Eugene is a liar, Rosita stood up for him, protecting him from Abraham's wrath, proving that she does see him as a friend. She also works to reconcile Abraham and Eugene's relationship, showing a level of compassion.

As the two continued to survive the apocalypse alongside each other, Rosita began to look down on Eugene, doubting his capabilities due to his awkward and cowardly nature; this was especially evident during the machete lessons she had been conducting with the Alexandria residents in "Heads Up", where she lectured him on fear, and in "No Way Out", where she decided that Eugene was not capable of fighting. He soon proved to her that he was indeed a capable fighter during the herd massacre. It is assumed that she now treats Eugene with more respect as a survivor. When Eugene is taken by the Saviors after Rosita attempts to kill Negan, Rosita is devastated and pleads for her to be taken instead. When Rosita and Sasha attempt to rescue Eugene, he declines to join them and retreats to the Sanctuary. Rosita is angered at his betrayal, destroying whatever friendship they had.

In "The First Day of the Rest of Your Life", Rosita seethes as Eugene attempts to convince Rick and the other Alexandrians to surrender. Despite her hatred, she turns her head away as she attempts to detonate the explosives seemingly planted next to Eugene, not wishing to see the results. In "Time for After", Eugene no longer considers Rosita or anyone else as his friends, as he shows full loyal to Negan.

In "Worth", Eugene is captured by Rosita and Daryl and he attempts to explain himself to his former friend. However, Rosita is too angry and betrayed to listen and states that all Eugene did is betray the only friends he ever had and will now be locked up and used only for his brain. Eugene vomits on Rosita, escapes and appears more determined than ever in his Savior loyalty after their encounter.

In "Wrath", when Eugene falls into trouble from Regina and a few other Saviors, Rosita saves his life, protecting Eugene once again. In the aftermath of the battle, Eugene admits that he sabotaged the Savior weapons to help the Militia, having been inspired to help by the things Rosita said to him when she had him prisoner. Rosita punches him in the face for vomiting on her, but otherwise appears to forgive Eugene's actions. At some point, Eugene developed feelings for Rosita and tried to confess them in Who Are You Now, though she stopped him from doing so. He was also willing to sacrifice himself so Rosita could get away from the herd.

Tara Chambler
"Thank God nothing happened to your hair."

- Tara to Eugene

Eugene has a very close relationship with Tara. Upon meeting and traveling with Tara, Eugene is shown to take an interest in Tara in "Us" where he talks to her about video games. Later when Abraham decides to let Tara and Glenn go through the tunnels alone, Eugene confesses to Tara he finds her "seriously hot", she tells him that she's a lesbian and he claims he already knew, although it is unclear if he was being truthful. Later, Eugene decides he has to know if Glenn and Tara made it out of the tunnels alive and he tricks Rosita into going to the tunnel exit to find out.

Eugene and Tara interact several times throughout the journey to Terminus, Gabriel's Church and the road to Washington. Eugene confides in Tara that he was the one to disable the bus carrying them to Washington, and despite her best judgement, Tara keeps his secret. Tara does appear stunned to learn Eugene lied but is actually more sympathetic towards him than the others, as he had little survival skills and lying was the best he could do.

During their time at Alexandria, Eugene goes on a run with Glenn, Tara, Noah, with two Alexandria residents to find a device that would restore power to Alexandria. Tara is severely injured in an explosion, and due to his new found friendship with Tara, Eugene has a change of demeanor. He vowed to Glenn that he'd keep Tara safe, and surrounded by walkers, Eugene picks Tara up and exits the warehouse in which they'd entered to find the device; killing walkers as he brings her to the van outside. He has also been shown to visit Tara several times while under medical care. When he sees Tara awake in "First Time Again", he was struck with happiness.

Glenn Rhee
Eugene seems to appreciate and has a neutral relationship with Glenn. Eugene decides he has to know if Glenn and Tara made it out of the tunnels alive and he tricks Rosita into going to the tunnel exit to find out. Glenn gave him his own riot gear to increase Eugene's odds of surviving the journey to the capital. Even after learning about Eugene's lie, he still tries to protect him from Abraham. Eugene later accompanies Glenn on a supply run after arriving at Alexandria and they appear to be on good terms now. Eugene was horrified and reduced to a sobbing wreck, covering his eyes as Negan killed Glenn. Despite this, he betrayed Glenn as well as Abraham by joining the Saviors, who are responsible for their deaths.

Sasha Williams
When they first met, Sasha appeared to be stunned to hear that Eugene knew what caused the outbreak and agreed to accompany him and Abraham to Washington. However, Sasha still appeared skeptical as she demanded he tell her what the cure was and how it worked. Eugene did, but nevertheless Sasha still protected Eugene from the walkers in their escape from Terminus. It is unknown how Sasha reacted to Eugene's lie, but she seems to be on neutral ground with him regardless.

When Eugene revealed to Sasha his new alliance with the Saviors, Sasha was taken aback. After she was captured, Eugene visited her in her cell, sharing his reasons for switching sides and recommending she do the same for her own safety. When she requested a tool to aid in her "suicide", Eugene was reluctant but eventually relented, slipping suicide pills he had made earlier under the door. Despite allowing Sasha a way out, he shows great sorrow at her choice to consider suicide, showing that he still somewhat cared for her well-being. When Eugene comes across the coffin used to transport Sasha, having vivid and disturbing flashbacks to her shocking reveal as a walker, feeling saddened of her death. Despite this, he blames Sasha's downfalls on their choices of doing the "right thing".

Rick Grimes
Eugene and Rick have a good relationship. Though they haven't interacted much, Eugene seems to respect Rick's abilities as a leader, trusting Rick's plan to kill Gareth and the Hunters despite the plan involving using himself as bait. He was also present when Rick announced his desire to find Noah's home community in Richmond, Virginia, and when they arrived in Alexandria followed, through with his plan to stay in one house rather than be divided among themselves in case Alexandria was more than it appeared. In "First Time Again", Rick saved Eugene from being killed by Carter.

Later in the series, Eugene proved himself to be a valuable member of the community in Rick's eyes, most prominently shown in his talent for creating bullets. After offering to divert the Saviors' attention to himself for the safety of the group en route to the Hilltop, Eugene handed over the recipe for bullet-crafting to Rick, entrusting him with his methods in the event that he is killed.

After Eugene was taken by the Saviors and spent time in their main compound, he returned to Rick a changed man, having wholeheartedly sided with the Saviors to ensure his own safety. Rick was visibly struck by his betrayal. Later at the assault of the Saviors compound, Eugene attempted to reintroduce himself but was immediately and angrily shot down by Rick. Showing that Rick harbors anger and ill will towards him after the battle at Alexandria. In Time for After, Eugene no longer considers Rick as his friend, blaming him and the Militia for causing the herd and getting people killed.

After Eugene's betrayal of the Saviors, their relationship seems to be repaired, as Rick tells Eugene how valuable he is to them, which makes Eugene smile.

Maggie Rhee
In "Self Help", Maggie, along with Tara, is supportive of Eugene and his abilities and a friendship develops between them. Despite having lied, Maggie still tried her best to revive him after getting knocked out by Abraham, despite clearly being mad at him. Maggie and Eugene are on better terms now as they have been seen together without any resentment present towards him.

Gabriel Stokes
The two have a neutral relationship, Eugene believes that Gabriel's beliefs are absurd. Gabriel's confession about his past, hits Eugene hard and he thinks about it. Possibly seeing himself in Gabriel, this may have played a part in Eugene confessing about his past.

When Gabriel is caught by the Saviors, Eugene is concern about Gabriel and takes him to Carson. Gabriel has no hard feelings about Eugene joining the Saviors. He tries to convince Eugene to leave and help him return Carson to the Hilltop.

When Eugene, Gabriel, and the Saviors start making bullets and Gabriel refuses, not wanting to contribute in hurting his friends. This angers Eugene. He then gives him a choice to make bullets or die. Gabriel reluctantly chooses to make bullets.

Daryl Dixon
Daryl and Eugene haven't had much interaction on screen, but seem to have a negative relationship due to Eugene siding with the Saviors.

Aiden Monroe
When Glenn, Tara, Noah, Nicholas and Aiden returned from their first supply run together Eugene saw Glenn and Aiden coming to blows and appeared concerned for Glenn and witnessed them fight. Eugene later, reluctantly, accompanied them on a supply run to find more parts for Alexandria's generator. Though Eugene tried to plead his case not to go Aiden still insisted he needed to as he didn't want to "come back with the wrong shit". When Aiden accidentally causes and explosion that gets impaled through metal bars but still alive, Eugene insisted Glenn, Noah and Nicholas rescue him. How Eugene reacts to Aiden's death is unknown but he was presumably saddened.

Nicholas
Eugene and Nicholas didn't interact much but they didn't get along well due to Nicholas' cowardly nature. Later when Eugene rescues Tara but Nicholas arrives without Glenn or Noah Eugene immediately stopped him from taking off in the truck, demanding to know where his friends are. When Nicholas threatened to leave him if he didn't get back in the truck, Eugene immediately pulled out his gun to shoot him though Nicholas overpowered him but Glenn arrived in time to stop him. Eugene may have lost any respect for Nicholas after this as he was seen holding him at gunpoint while unconscious on the trip back.

Dwight
Eugene, along with his group, most likely hates Dwight for him being apart of the Saviors and with him tormenting Daryl Dixon. When Eugene and Abraham Ford went looking for a place to manufacture bullets, Eugene had been captured by Dwight and was threatened to be executed. After Negan, the leader of the Saviors, killed Abraham and Glenn Rhee, he had Daryl taken. Eugene somewhat seemed to be angry at the Saviors, but mostly at the one loading Daryl up who was Dwight.

Later at the Sanctuary, when Eugene becomes one of the higher-ups, Eugene recognizes Dwight and apologizes for him biting his crotch. He then assures Dwight of his name and that they both are Negan to which Dwight reluctantly agrees. From this conversation, it appears any hostility between the two has subsided.

Negan
Starting off, Eugene's relationship with Negan was strained due to witnessing his closest friend, Abraham, being brutally beaten to death by Negan in front of him. After Rosita unsuccessfully tried to assassinate Negan, Eugene gave himself up as the creator of the bullet, resulting in Negan taking him back to the Sanctuary. Despite Eugene making the bullet that damaged Lucille, Negan held much respect for Eugene due to his smarts and knowledge and showed him respect and kindness, even giving Eugene a comfortable apartment and all the supplies he wanted. Negan later visited Eugene's apartment to ask him if he was truly loyal to the Saviors, leading Eugene to reassure that " I'm Negan."

When Negan enacted his plan to confront the Alexandria Safe-Zone, Eugene offered his assistance, inquiring to try to talk Rick and the rest of the community into surrendering to the Saviors. His attempts proved unsuccessful, and Negan chastised the community for attempting to detonate explosives next to Eugene and the Saviors, defending Eugene by pointing out that he was once one of them.

Frankie
"That would be a tactical error on your part. They'll believe me over you for the same reason he believed Dwight over the doctor. You're replaceable to him."

- Eugene after Frankie threatens to report him to Negan

Frankie and Eugene have a rather poor relationship. At first they get along when Frankie, Tanya, and Amber keep Eugene when he first comes the Sanctuary. But then when Eugene refuses to give her and Tanya the pills to kill Negan and her threats don't work on Eugene, she cuts off any kind of friendship they have between them.

Tanya
Tanya and Eugene seem to have an unstable relationship. However, when they first meet, she seems to like, trust and be entertained by his scientific abilities. This is shown when Tanya jokingly asks Eugene if he can make a bomb, which leads to him to actually igniting a bomb. Tanya claps giddily. Later on, she explains to Eugene about Amber's depression, and being suicidal. She asks him to make pills for her, so she can die peacefully. Eugene agrees to this. When Eugene refuses to give Tanya the pills later, after relizing they were instead intended for Negan, she calls him a coward and threatens to lie and tell Negan that it was Eugene's idea to make the pills. Eugene admits that it would be a mistake as she, as one if Negan's wives, is replaceable and he is not.

Regina
During a meeting in the absence of Negan, Regina suggest a plan to tactically sacrifice 40 workers in order to escape the Sanctuary surrounded by walkers. Eugene not only dismisses the likelihood of success in her tactics but also calls her out for risking a potential loyalty fallout from the workers. Agitated, Regina threatens to march Eugene out to the walker mass to motivate him to solve their crisis at hand. Regina spent much of the remainder of the meeting glaring at Eugene. However, later that day, Eugene has successfully came up with a tactical solution to rid the herd surrounding the Sanctuary. With Eugene's tactics ensuring the immediate survival and welfare of everyone in the building including Regina, it's possible her attitude towards the former may have improved.

Regina is seen alongside Eugene at his bullet factory outpost, while a shipment of spent bullet casings are being transferred to the facility. Later after Eugene is revealed to have sabotaged the Saviors' weapons, which allows the Militia to defeat them, Regina attempts to attack and kill Eugene though he is saved by Rosita who shoots and wounds Regina.

Simon
Simon and Eugene rarely interacted directly to each other, but it seems that Simon valued his intelligence and adored him for figuring out a way to lead the walkers out of the Sanctuary.

Eugene likely shows no remorse for Simon's death.}}

Appearances
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Season 4

 * "Inmates" (No Lines)
 * "Claimed"
 * "Us"
 * "A" (No Lines)

Season 5

 * "No Sanctuary"
 * "Strangers"
 * "Four Walls and a Roof"
 * "Self Help"
 * "Crossed"
 * "Coda" (No Lines)
 * "What Happened and What's Going On" (No Lines)
 * "Them"
 * "The Distance"
 * "Remember" (No Lines)
 * "Spend"
 * "Conquer"

Season 6

 * "First Time Again" (Flashback)
 * "JSS"
 * "Now" (No Lines)
 * "Always Accountable" (Voice Only)
 * "Heads Up"
 * "Start to Finish"
 * "No Way Out"
 * "The Next World"
 * "Not Tomorrow Yet"
 * "Twice as Far"
 * "Last Day on Earth"

Season 7

 * "The Day Will Come When You Won't Be"
 * "Service"
 * "Swear" (No Lines)
 * "Sing Me a Song"
 * "Hearts Still Beating"
 * "Hostiles and Calamities"
 * "The Other Side"
 * "Something They Need"
 * "The First Day of the Rest of Your Life"

Season 8

 * "Mercy"
 * "The Big Scary U"
 * "Time for After"
 * "How It's Gotta Be"
 * "Honor" (Dream)
 * "Dead or Alive Or"
 * "Still Gotta Mean Something" (No Lines)
 * "Worth"
 * "Wrath"

Season 9

 * "A New Beginning"
 * "The Bridge"
 * "The Obliged"
 * "What Comes After"
 * "Who Are You Now?"
 * "Stradivarius"
 * }}

Trivia

 * The name used for Eugene's casting call was "Wayne Kesey", until the casting was revealed at NYCC on October 12th, 2013.
 * In an interview with Access Hollywood, Josh McDermitt described Eugene as someone who lived "in a dark apartment, by himself, maybe with his mom, and not so much a hoarder of everything, but just a hoarder of just like weird items that mean something to him that would mean absolutely nothing to someone else."
 * Eugene has been captured five times and is in the lead for being captured the most amount of times.
 * He has been captured by Gareth at Terminus in Season 4. In Season 6, he was captured twice by the Saviors: once was by Dwight after he and Abraham parted ways and the other was from trying to set up a diversion at the roadblocks which failed and led to him being captured and added into the lineup to meet Negan. He was captured again in the mid-season finale of Season 7 after revealing that he was the one that made Rosita a bullet to try and assassinate Negan. He was later captured by Rosita and Daryl in Season 8 after defecting to the Saviors but was able to escape.
 * Talking with Access Hollywood, executive producer Gale Anne Hurd revealed that she believed Eugene to have Asperger's Syndrome.
 * Josh McDermitt refused to officially confirm the claim, but suggested its validity, saying "I don't want to address that. That's something for me, whether he has it or not."
 * As of "The Day Will Come When You Won't Be", Eugene, Rosita and Tara are the only remaining characters introduced in Season 4.
 * Eugene appears to be an atheist, as suggested by his response of "It's absurd" to Gabriel explaining his religious beliefs in "Time for After".
 * Eugene is the fourth main character to be part of Rick's group and later become an antagonist, the first being Shane Walsh, the second being Merle Dixon and the third being Spencer Monroe.
 * In the Fear The Walking Dead episode "No One's Gone", one of Althea's tapes labeled "Abe/Doctor" is seen. On Talking Dead, it was confirmed to be an interview of Eugene and Abraham, revealing that they encountered Althea before meeting Rick's group.
 * In the script for "The Day Will Come When You Won't Be", there were 3 alternative death scenes, one of them where Negan would have killed Aaron and Eugene instead of Abraham and Glenn.