John Stewart (disambiguation)

John Stewart is the fourth Green Lantern of Earth, formerly a sniper for the U.S. Marines and an architect. In some continuities, he's the brother of Lynn Stewart. His power ring grants him the ability to make energy constructs guided by thought using his willpower. Originally given Green Lantern Corps membership after his predecessor Hal Jordan left the position, he has also shared the planet with his friends and fellow officers Guy Gardner and Kyle Rayner. Prior to her death at the hands of Star Sapphire, he was married to the alien Katma Tui. He has also been a member of the Justice League of America, the Darkstars and the Indigo Tribe.