J'onn J'onzz also known as The Martian Manhunter is the last surviving Green Martian of Mars. He tragically lost his entire Family his Wife M'yri'ah and his two Daughters K'hym J'onzz and T'ania J'onzz by an attack by The White Martians along with the rest of his people as well forcing him to leave his home and travel to his new home of Earth. He's The Current Director of The Department of Extranormal Operations also known as D.E.O. based out of National City and currently using the human appearance of Former Director Hank Henshaw in normal day to day operations.