History of character has not yet been written.
- This version of the character is exclusive to the continuity of the television series Young Justice and its tie-in comic book series. It is an adaptation of Edward Nigma/Riddler. The original character was created by Bill Finger and Dick Sprang and first appeared in Detective Comics #140.
- Riddler was voiced by Dave Franco for the animated series and Jason Spisak for the tie-in video game Young Justice: Legacy.
- 4 Appearances of Edward Nigma (Earth-16)
- 1 Images featuring Edward Nigma (Earth-16)
- Quotations by or about Edward Nigma (Earth-16)
- Character Gallery: Edward Nigma (Earth-16)
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