Edward Nygma

The Riddler is a fictional comic book criminal whose real name is Edward Nashton, though he is classically identified as Edward E. Nygma. He is a character who appears in titles published by DC Comics and is associated with the Batman line of titles. The character first appeared in Detective Comics #140 in October, 1948, and has gone on to become one of Batman's most enduring and popular foes. After spending years as a career criminal, the Riddler reformed himself and became a private investigator. The character has also appeared in related alternative media including movies, television programs, cartoons and video games.