NautKeLoi 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 12. He is an aquatic creature from the planet Aeros known to have been one of the first Green Lanterns. Because he requires water every 5 minutes or else he will perish, he wears a helmet filled with water at all times. NautKeLoi was created by John Broome and Gil Kane, first appearing in Green Lantern (Volume 2) #9. (1961)

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