Following a Batman: Arkham Knight Riddler guide is key if you want to reach 100% completion in the game, as Gotham is dotted with a huge 243 Riddler puzzles and it's hard enough just to find them ...

Gorshin's question mark suit and bowler hat even influenced future Riddler portrayals in the comic. Using the character on Batman: The Animated Series was a no-brainer, but the show's writers have ...