The Riddler (Edward Nigma or Nygma) is a supervillain appearing in comic books published by DC Comics, created by Bill Finger and Dick Sprang. He first appeared in Detective Comics #140 (October 1948). The character is commonly depicted as a criminal mastermind in Gotham City who takes delight in incorporating riddles and puzzles into his schemes, leaving them as clues for the authorities to solve. The Riddler is one of the most enduring enemies of superhero Batman and belongs to the collective of adversaries that make up his rogues gallery. In 2009, The Riddler was ranked as IGN's 59th Greatest Comic Book Villain of All Time. The character has been substantially adapted from the comics into various forms of media, including feature films, television series, and video games. The Riddler has been voiced by John Glover in the DC animated universe, Robert Englund in The Batman, and Wally Wingert in the Batman: Arkham video game series. He has been portrayed in live-action by Frank Gorshin and John Astin in the 1960s Batman television series, Jim Carrey in the 1995 film Batman Forever, and Cory Michael Smith in the television series Gotham.