Riddler

The Riddler (Edward Nigma, later Edward Nygma or Edward Nashton) is a supervillain appearing in American comic books published by DC Comics. He was created by Bill Finger and Dick Sprang, and debuted in Detective Comics #140 in October 1948. He is one of the most enduring enemies of the superhero Batman and belongs to the collective of adversaries that make up his rogues gallery. The Riddler is depicted as a criminal mastermind in Gotham City.