One of the last survivors of the civil war that ravaged his home planet of Mars, J'onn J'onnz traveled to Earth and now fights to protect his adoptive home.

J’onn J’onzz of the planet Mars was accidentally transported to Earth, where he became one of its greatest champions under the moniker Martian Manhunter. Displaying a vast array of powers that can give even Superman a run for his money, the Martian Manhunter was a founding member of the Justice League of America, and has been a member of almost every incarnation of the League ever since. It has been said by many that J’onn J’onzz is the heart and soul of the League.