|Voiced by:||Lee Reherman|
|First appearance:||"Really Real Wrestling"|
|Latest appearance:||"Tent Trouble"|
Four-Armageddon appeared in the episode "Really Real Wrestling" as the main antagonist of the three. He feels offended when he heard Mordecai and Rigby said that wrestling was fake. He believes that wrestling is real and beat up Mordecai and Rigby, and is later defeated by Pops (and as a result, loses his championship). He has hands instead of feet that make him walk.
As his name implies, he has four powerful arms. He wears a red speedo and has long light blond hair.
- He may be a reference to Four-Arms from the Ben 10 television series, Goro from the Mortal Kombat series, and Ashuraman from the Kinikuman series..
- He is another character whose name is a pun on Armageddon, the other being the Doom Ma Geddon virus.
- He is one of two people to have four arms; the other is Death's Wife.
- He is able to punch things with his feet.