Chuckie Finster (voiced by Nancy Cartwright) - a rather cowardly and pessimistic toddler who is Tommy's best friend, being forced by Angelica to join the tournament as he prefers to stick with Tommy and just wants to get home safely.Tommy Pickles (voiced by Elizabeth Daily) - a playful and adventurer baby who joins the tournament by will, even if Angelica manipulated him for her goals, as he wants to use the prize for getting a giant Reptar toy.Wanda Cosma (voiced by Susanne Blakeslee) - Cosmo's wise and rather stern wife and Timmy's other godparent who is reluctant about helping him with his egotistical goals, preferring to use the prize for the betterment of Fairy World.Cosmo Cosma (voiced by Daran Norris) - a goofy and rather dimwitted fairy who is one of Timmy's godparents and willingly helps Timmy out, even if he has to face Wanda's wrath as well.Timmy Turner (voiced by Tara Strong) - a greedy and mischievous bucktoothed kid who participates in the tournament to both get a very rare Crimson Chin toy and to get Trixie to notice him.Powdered Toast Man (voiced by Nolan North) - a bizarre and flamboyant superhero who joins Ren and Stimpy due to the need of a third member as he just wants to be heroic one last time.
Cat (also voiced by Billy West) - an idiotic cat who dragged Ren into the tournament as he just wants to have fun, even if he also wants to make Ren happy. Ren Höek (voiced by Billy West) - an anger-prone chihuahua who joined the tournament against his will and wants to win it to use its prize to give Stimpy a gift, even if Stimpy is unaware of that motive.Sandy Cheeks (voiced by Carolyn Lawrence) - a geeky and athletic squirrel who is SpongeBob's other best friend and joins the tournament in order to use her part of the prize to help her experiments to thrive and to just help SpongeBob.Patrick Star (voiced by Bill Fagerbakke) - a dimwitted starfish who is SpongeBob's best friend and joined the tournament mainly for the fun of it and, in case of winning, use his part to get an unlimited supply of Krabby Patties.SpongeBob SquarePants (voiced by Tom Kenny) - a happy sea sponge who brought Patrick and Sandy to the Super Brawl tournament in order to use the prize just to help enhance the life at Bikini Bottom.Zim has formed a tournament known as the Super Brawl under the guise of it being to see who is the most skilled team as various teams head to win, unaware of the dark scheme Zim holds.