Ke'Haan is an alien super-hero known as Green Lantern and a member of the Green Lantern Corps. The Guardians of the Universe gave him a power ring fueled by willpower to protect Space Sector 786. His home planet was Varva, and he worked underneath Kilowog as one of the Corps' toughest drill instructors. His proudest student was Laira, and they both later became members of the Lost Lanterns. Eventually he was killed by the Anti-Monitor during the Sinestro Corps War. Ke'Haan was created by Ron Marz and Fred Haynes, first appearing in Green Lantern (Volume 3) #49. (1994)

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