Also known as: ラーズ・アル・グール, Ra'salGhul
A supervillain from DC Comics and one of the archnemeses of Batman. His most notable superpower comes from the use of the Lazarus Pits, which resurrect the user at the cost of various drawbacks (most often insanity).
He is the father of Talia Al Ghul and grandfather of Damian Wayne.
His name is, translated from Arabic, "Head of the Demon".