J’onn J’onzz lived with his family on Mars until the mad preist Ma’alefa’ak set off a telepathic plague, leaving J’onn the only survivor. He wandered Mars’ surface for decades until he was transported to Earth by Saul Erdel’s teleportation machine. He adopted the identity of a murdered detective named John Jones. Eventually, choosing the name Martian Manhunter, J’onn became a founding member of the Justice League of America and devoted his life to the team.

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