Riddler

Alter ego: Edward Nygma

Species: Human

Place of Origin: Gotham City

Team Affiliations: Legion of Doom / Secret Society of Super Villains / Secret Six / Injustice League

Partnerships: The Joker / Two-Face (Harvey Dent) / Cluemaster (Arthur Brown) / Query and Echo / The Penguin (Oswald Cobblepot) / Batman (Temporary Alliances)

Notable Aliases: E. Nygma / Edward Nashton

Abilities: Genius-level intellect / Criminal mastermind / Proficient scientist and engineer / Uses complex riddles, puzzles, and lethal contraptions