Superheroes and supervillains love a chest symbol. Whether that's the first letter of your name, like Superman or Galactus, alliterative initials. The Riddler (Edward Nigma) is a fictional supervillain appearing in American comic books .. The Riddler in that appearance has a big question mark -shaped scar on his face and another one on his chest with his navel being the dot. First appearance : Detective Comics #. The Riddler (Jim Carrey)/Gallery. The Riddler and Two-Face. The Riddler's main NygmaTech base of operations: Claw Island. A chance encounter with an ex- NSA codebreaker gives him a positive environment in which to recover his mind. Central rogues gallery Bane Clayface Harley Quinn The Joker Killer Croc Killer Moth The Mad Hatter Man-Bat Mr. Hey look, we did that preview of Batman 26 backwards! Knight Force Ninjas lines; Mattel 's The Batman line; and Dealer finden Asylum 's minimates line. Almost instantly, Riddler deduces that the Batman before him is a new one.