The Civil War: Battle Damage Report one-shot established this Jester's real name as Jody Putt.
Among the arsenal granted to him by Doom was the "long-lived" Hulk Robot created years prior by a pair of college students and the Eternal Uni-Mind.
The Jester recruited a team of villains made up of himself, the Hulk Robot, the Fenris twins, Hydro-Man, and Rock of the Hulkbusters to form the Assembly of Evil.
[volume & issue needed] The Jester, also known as the Clown, is a very agile fighter and sometimes the self-proclaimed leader of the Crazy Gang.
[volume & issue needed] Jody Putt has no superpowers, but possesses an arsenal of weaponry given to him by Doctor Doom.
The Crazy Gang's Jester has no superhuman powers, but he is a highly skilled acrobat, fencer and kickboxer, and carries a fencing foil.