Leviathan, in comics, may refer to: Leviathan, an alias used by Legion of Super-Heroes member Gim Allon Leviathan, a fictional Soviet-based terrorist organization Leviathan, a criminal organization run by Batman villain Talia al Ghul in Batman Inc. and Batman Incorporated Leviathan, a story from 2000 AD Leviathan, a British comic strip from the Independent on Sunday Leviathan, the original alias of Marvel Comics character Edward Cobert, better known as Gargantua Leviathan, a Marvel Comics character who appeared in Nick Fury, Agent of S.H.I.E.L.D.