The Riddler's main NygmaTech base of operations: Claw Island
The Riddler on his throne.
The Riddler losing his knowledge.
Batman & RobinEdit
Riddler's outfit in Arkham Asylum.
"Riddle me this! What kind of a man has bats on the brain?"
The Riddler's Question Mark cane.
The Riddler's Skull Cane.
The Riddler's Question Mark Emblem.
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