Like Batman he is a vigilante-detective and superhero.

Deciding he did not need a power ring to make a difference and more or less saying "screw you" to the Martian Elders, J'onn did what no other Martian had ever done before and joined the Manhunters. 2) #0 (October 1998). Although he is one of publisher's lesser known superheroes, he is best associated with the Justice League and considered one of its core members. When a reckoning comes for his entire society, he’ll get a second chance on Earth he doesn’t want or deserve. Back on Mars, J'onn J'onzz was about as corrupt as a law officer can be, and when a reckoning comes for his entire society, he'll get a second chance he doesn't want or deserve!
Harry Lennix as Martian Manhunter fan theory proven true Following Man of Steel , many fans thought Harry Lennix was playing Martian Manhunter due to two scenes. J'onn J'onzz was a Green Martian born on the planet of Mars where he was considered an upstanding citizen. J'onn J'onzz (born between 1425 and 1640), commonly referred to as the "Martian Manhunter", is the one of the two last Green Martians. After this, the series moved to House of Mystery. Martian Manhunter (real name J'onn J'onzz, alias John Jones) is a Martian and a founding member of the Justice League. the Martian Manhunter, who will be revealed as the secret identity … About Martian Manhunter: Identity. Back on Mars, J'onn J'onzz was about as corrupt as a law officer can be, and when a reckoning comes for his entire society, he'll get a second chance he doesn't want or deserve! About this product. However, his reveal last October that Lennix's General Swanwick was the human identity of Martian Manhunter would be perhaps his most jaw-dropping one yet.

This was until a global racial-war broke out between the Green Martians and their sister-species, the White Martians. Martian Manhunter: Identity by Steve Orlando (Trade Paper) About this product. Back on Mars, J'onn J'onzz was about as corrupt as a law officer can be, and when a reckoning comes for his entire society, he'll get a second chance he doesn't want or deserve! In 1983, a position opened in the Lantern Corps, but Abin Sur overlooked J'onn in favor of Thaal Sinestro, Abin Sur's own brother-in-law. ↑ As revealed in several issues of the House of Mystery, issues #160 (July 1966) - #173 (April 1968) Left to wander the desolate planet's surface for years, J'onn was brought to Earth by chance via a teleportation machine malfunction. Martian Manhunter is a serious and level-headed voice of reason for the Justice League.