- "Pizza? You're not eating anything but Jell-O for a while, hotshot!"
- —Theo to Ezekiel before wheeling him for surgery.[src]
Theo is a survivor of the outbreak in AMC's The Walking Dead. He is a resident of the Commonwealth working as a nurse at the hospital. Theo later helps Ezekiel run a secret clinic for those who can't afford treatment at the hospital.
Nothing is known about Theo's life prior to or as the outbreak began.
At some point during the outbreak, Theo joined a community in Ohio.
Theo and Tomi are performing a pre-operation check with Ezekiel at the Commonwealth Hospital to prep him for surgery. Ezekiel is confused about getting surgery, thinking he wouldn't live to see the day as his name was low on the list. Theo comments that he's a lucky man. A few days later, Theo and other hospital staff wheel Ezekiel way for surgery.
Theo is working at Ezekiel's secret clinic for those who can't afford treatment at the Commonwealth Hospital. Ezekiel later tells Carol that Theo had done most of the hard work when they discuss the clinic.
This list shows the victims Theo has killed:
- Possibly numerous counts of zombies