Ke'Haan is a fictional character featured in comic books published by DC Comics. He is a very tall, well-muscled humanoid alien with reddish-orange skin, a partially bald head and three brown locks down the center of his head. Other distinguishing features include a pair of bull-like horns. He first appeared in Green Lantern #49 : "Emerald Twilight Part Two: The Present".

Guy Gardner, one of the characters known as Green Lantern, is a superhero appearing in American comic books published by DC Comics, usually in association with the Green Lantern Corps, of which he is a member. For a time in the late 1980s and early 1990s, he was also a significant member of the Justice League. Gardner's original design is based on actor Martin Milner.