Character
Gizmo, Joker Jr. (Cameo), Kid Deadshot, Tommy Tomorrow, Tommy Tomorrow (Cameo Flashback), Superboy (Jon Kent), Sneetch, Jack Hawksmoor (Cameo Flashback), Al-X, Bizarrokid, Rex Luthor, Jonah Hex, The Gang Rex Luthor, Alfred Pennyworth, Puppeteer, Shaggy Boy, Brainiac 6, Space Cabby, Hukka, Superman (Cameo Flashback), Injustice Army, Manhunters (Cameo Flashback), Robin (Damian Wayne), Green Lantern (Al-X), Batman (Cameo Flashback), Labell, Joker Jr., Vandal Savage (Cameo Flashback), Numerous Unnamed Villains, Ice Princess, Cube, Tommy Tomorrow (Cameo), Injustice Army Doomsdame, Hex, Kainn, Kid Weather Wizard, Space Cabbie, Grundette