- Comics from Batman: Run, Riddler, Run Vol 1
- Cover Gallery: Batman: Run, Riddler, Run
- Images from Batman: Run, Riddler, Run Vol 1
- The Riddler
- Detective Comics Annual #8
- Batman: Penguin Triumphant
- Batman: Two-Face Strikes Twice!
- Batman: It's Joker Time!
- Detective Comics
History Section Needed!
The history section for this article is either absent or contains very little information. You can improve this article by adding as much relevant historical information as possible. Articles should be written from an "in-universe" perspective as if they were written by a historian living in the DC Universe.