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.
In American comic books, a character typically has dual identities, with one identity being the superhero persona and the other being the secret identity. The secret identity is typically the superhero's civilian persona when they are not assuming the superhero persona.