Nothing is known about Nelson's life prior to or as the outbreak began, except that he worked as a crew member on the USS Pennsylvania.
Nelson is among the many crew members killed and reanimated while on board the USS Pennsylvania.
It's revealed that in the time since they took over the USS Pennsylvania, Morgan and Grace have cleared it of all of the zombified crewmembers.
- Killed By
- Unknown Cause (Alive)
It's unknown how they died when they were alive.
After taking shelter in the sub from the nuclear fallout, Morgan and Grace clear out all of the zombified crewmembers.
This list shows the victims Nelson has killed:
- Possibly many enemy combatants (Pre-Apocalypse)
- Possibly numerous counts of zombies
- "USS Pennsylvania" (Zombified)
- While his name was never mentioned on-screen, his surname can be seen on his badge.