Ra's al Ghul

fictional character, a supervillain who appears in comic books published by DC Comics

Ra's al Ghul is a fictional character in the Batman franchise appearing in American comic books published by DC Comics. He is a supervillain, and he was Bruce Wayne's trainer. He is the leader of the League of Assassins, which is an organization based on correcting the corruption in the world by ways of fear and hostility. Bruce destroyed their temple after he is made aware of their true intention of destroying Gotham City.

Ghul is one of the smartest and most physically skilled villains in the Batman universe. He also trained Bane. Ghul is the father of one of Batman's love interests: Talia al Ghul. He was played by Liam Neeson and by Ken Watanabe (decoy) in Batman Begins. Neeson later had a small role as Ra's in The Dark Knight Rises. David Warner is his voice actor in Batman: The Animated Series.