<p>10 - Firefly 9 - Mr. Freeze 8 - Bane 7 - The Riddler 6 - Ra's Al Ghul 5 - The Scarecrow 4 - Penguin 3 - Black Mask 2 - Two Face Honorable mentions - Poison Ivy - Harley Quinn - Great White Shark - Carmine Falcone and Sal Maroni - Electrocutioner - Deadshot - Professor Pyg AMONG 100 OTHERS =P 1 - The Joker </p>

<p>10: The riddler - 9: Pingouin - 8: Ra's Al Ghul - 7: Victor Zsasz - 6: Humpty Dumpty - 5: Hugo Strange - 4: Professor Pig - 3: Two-face - 2: Scarecros - 1: Joker </p>

<p>Hard to decide on an exact order, so I'll list alphabetically: </p>

• Court of Owls
• Joker
• Killer Croc
• Mad Hatter
• Mr. Freeze
• Penguin
• Poison Ivy
• Professor Pyg
• Scarecrow
• Ventriloquist/Scarface