Captain Doody is a demon who possessed Nick "Nicky" Diamond Jr. and a minor villain who appeared in Celebrity Deathmatch.
He was expelled from Nicky Diamond Jr.'s body by The Undertaker who saved Nicky from demonic possession.
Role in the cartoon
Captain Doody was seen when he possesses Nick Junior's body to antagonize Nick Diamond, Sr.. Nick Jr. was then cursed by this demon that makes him puke, Captain Doody then uses Nick Junior as his host to fight The Undertaker, but The Undertaker has a plan to save Nick Junior and expels Doody from his body, then Taker uses the Tombstone Piledriver to defeat Captain Doody, The Undertaker then uses his signature taunt the cut throat to expels Captain Doody from Nick Junior's body by banishing him back to hell, leaving Nick Junior with no memory of being possessed, Nick Junior then reunites with his father to impress The Undertaker and Captain Doody does possesses an helpless popcorn guy named Phil.
- Captain Doody is a parody of Pazuzu who also had a nickname, "Captain Howdy".