FIRST APPEARANCE: DETECTIVE COMICS #140 (October 1948) $2,300
ORIGIN & HISTORY
Edward Nigma was a lowly scientist working for Bruce Wayne's mega industry. He was fired, and swore vengenge on Bruce Wayne. Nigma has since committed all sorts of crimes, but the common thread is his obsession with questions and riddles. He enjoys knowing that the Dark Knight must rack his brain trying to solve Nigma's riddles. The Riddler tests Batman to his very mental limit, but has yet to be very sucessful as a criminal, due to his clue giving.
Riddler poster from Batman Forever
Jim Carrey posing in his Riddler costume
The Riddler's dramatic entrance.
The cartoon interpretation of the Riddler
The Riddler wasn't boosted into the ranks of big time Bat villians until Frank Gorshin's portrayl of the Riddler on the 1960's Batman TV show.
The Riddler's costume has a cameo apperance in Batman and Robin. It is hanging in the left corner of the Arkham Asylum seized property room.