History of the Riddler
12:48
History of The Penguin
18:39
History Of Red Hood
4:37
The Evolution Of The Riddler (ANIMATED)
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Analyzing Evil: The Riddler And The People Who Made Him
28:55
The Joker's New Origin Revealed | Joker: Year One Complete Story
19:22
The Riddler Origins – A Broken Genius's Terrifying And Saddening Backstory - Batman's Rogue Gallery
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History of Amanda Waller: DC’s Most Ruthless Mastermind
16:32