- Baron Blitzkreig
- Black Jack
- Black Star
- The Brain Wave
- Catwoman
- The Cavalier
- The Cheetah
- Deathbolt
- Dragon King
- The Duke of Deception
- The Dummy
- Fang Gow
- Fausta Grables
- The Fiddler
- Insect Master
- Killer Shark
- Kung
- Mister Who
- The Phantom of the Fair
- Professor Merlin
- The Raven
- The Scarecrow
- Professor Hugo Strange
- The Thought-Terror
- The Ultra-Humanite
- Zara, Princess of the Crimson Flame
Known Villains
All Star Squadron Campaign 