Historical Examples. 1  He had discarded his first instinct, which was to hide in the intricate Tetrahyde cloaca. 2  A perforation leading into the cloaca at the hind end of this. 3  Agrippa, who cleaned out the cloaca, navigated its whole length in a boat.
Batman is the superhero protector of Gotham City, a man dressed like a bat who fights against evil and strikes terror into the hearts of criminals everywhere. In his secret identity he is Bruce Wayne, billionaire industrialist and notorious playboy.
Throughout most of the history of Batman in DC comics, Batman's alter ego has been Bruce Wayne. Other people have also been Batman for short intervals. In the Knightfall story arc, Bane breaks Bruce's back, rendering him incapable of carrying on with the Batman mantle.