- "Dr. Han. Hi, it's Maddy Clark again. Listen, uh, Nick is really hurting right now, and I just need you to call in the prescription so I can pick it up, but I'm really worried about him, and I think he really, really needs it."
- —Madison Clark to Dr. Han.[src]
Other than that this individual was a doctor in Los Angeles, nothing is known about this individuals life before the apocalypse.
As the city of Los Angeles quickly falls to the undead, Dr. Han's fate remains unclear. It is unknown whether he was able to survive the outbreak or was killed and/or turned into a zombie.