Real Name: J'onn J'onzz

Current Group Affiliation: JLA

Former Group Affiliation: Justice League of Aliens

1st Appearance: DETECTIVE COMICS#225 (1955)

Known Superhuman Powers: Martian Manhunter can change his shape at will. He also has superhuman strength, telepathy, flight, superhuman vision, intangibility, and invisibility.

Other Aliases: Bloodwynd, Go-Go