Penguin (DC Comics | Gotham Underworld | Rule 63)

Aquaman (DC Comics | Justice League | Rule 63)

Riddler (DC Comics | Arkham Assylum | Rule 63)

Sunfire [Age of Apocalypse] (Marvel Comics | X-Men)

Bizarro (DC Comics | Legion of Doom | Rule 63)

The Flash [Barry Allen] (DC Comics | Justice League | Rule 63)

Mr. Mxyzptlk (DC Comics)

Dr. Doom (Marvel Comics | Fantastic Four | Rule 63)

Two-Face (DC Comics | Arkham Asylum | Rule 63)

Dark Beast (Marvel Comics | X-Men | Age of Apocalypse)

Kingpin (Marvel Comics)

Hawk (DC Comics | Teen Titans | Rule 63)

Monarch (DC Comics | Armageddon 2001)

Wolverine [Yellow & Blue] (Marvel Comics | X-Men | Rule 63)

Mr. Sinister (Marvel Comics | X-Men | Rule 63)

Mad Hatter (DC Comics | Arkham Asylum | Rule 63)

Magneto (Marvel Comics | X-Men | Rule 63)

Doomsday (DC Comics | Rule 63)

Superman [Return] (DC Comics | Justice League)

Cyborg Superman (DC Comics | Sinestro Corps)