|Died:||Killed in CTU explosion by Eddie Grant, Chris, and Scott|
|Mentioned in:||"Day 2: 12:00pm-1:00pm"|
Appell was at CTU when anti-government American terrorists working for Joseph Wald hid three bombs there. He died when they exploded along with 29 others at 10:57am.
Background information and notes
- In the closed captioning of the Region 2 DVD, this character's name is "Nepel".