Ra’s al Ghul is the centuries-old leader of the League of Assassins, a master strategist, and one of Batman’s most formidable enemies. Sustained by the restorative Lazarus Pits, he possesses unparalleled knowledge of warfare, science, and global politics.

First Appearance:  Batman #232 (1971)
Creators:  Dennis O'Neal,  Neal Adams,  Julius Schwartz
Powers:  Lazarus Enhancement,  Genius Level Intellect,  Expert Martial Artist