J'onn J'onzz is a villain who was a former superhero in the Justice League series. Like his main counterpart, J'onn J'onzz was the last Martian of Mars and lost his family to the Imperium. He also joined the Justice League It all changed when Lex Luthor became president and executed Flash. After Superman killed Luthor, J'onn and his team members took tyrant control over his world.
J'onn J'onzz swapped his old costume with a newer and darker suit. He became the mission control operator of the Watchtower.
He has super-strength and the ability to shapeshift.