Nickelodeon Big Brawl

Default Characters

 * 1) SpongeBob SquarePants
 * 2) Patrick Star
 * 3) Sandy Cheeks
 * 4) Squidward Tentacles
 * 5) Tommy Pickles (Grown Up)
 * 6) Reptar
 * 7) Arnold Shortman
 * 8) Otto Rocket
 * 9) Eliza Thornberry
 * 10) Ickis
 * 11) Ren & Stimpy
 * 12) CatDog
 * 13) Rocko Rama
 * 14) Aang
 * 15) Korra
 * 16) Zim
 * 17) Danny Phantom
 * 18) Timmy Turner
 * 19) Jimmy Neutron
 * 20) Michelangelo
 * 21) Raphael
 * 22) April O'Neil
 * 23) Lincoln Loud
 * 24) Clyde McBride

Unlockable Characters

 * 1) Mr. Krabs
 * 2) Plankton
 * 3) Angelica Pickles (Grown Up)
 * 4) Helga Pataki
 * 5) Reggie Rocket
 * 6) Darwin Thornberry
 * 7) Donnie Thornberry
 * 8) Oblina
 * 9) Krumm
 * 10) Powdered Toastman
 * 11) Heffer Wolfe
 * 12) Asami Sato
 * 13) Katara
 * 14) Toph Beifong
 * 15) GIR
 * 16) Sheen Estevez
 * 17) Leonardo
 * 18) Donatello
 * 19) Shredder
 * 20) Norbert & Daggett
 * 21) Lucy Loud
 * 22) Luna Loud

Unlocking Criteria

 * 1) Mr. Krabs (Complete Adventure Mode With Any Default SpongeBob Character)
 * 2) Plankton (Complete Adventure Mode With Mr. Krabs)
 * 3) Grown Up Angelica Pickles (Complete Adventure Mode With Grown Up Tommy Pickles)
 * 4) Helga Pataki (Complete Adventure Mode With Arnold Shortman)
 * 5) Leonardo (Complete Adventure Mode With Raphael)
 * 6) Donatello (Complete Adventure Mode With Michelangelo)
 * 7) Shredder (Complete Adventure Mode With April O'Neil)
 * 8) Lucy Loud (Complete Adventure Mode With Lincoln Loud)
 * 9) Luna Loud (Complete Adventure Mode With Clyde McBride)
 * 10) Powdered Toastman (Complete Adventure Mode With Ren & Stimpy)
 * 11) Heffer Wolfe (Complete Adventure Mode With Rocko Rama)
 * 12) Oblina (Complete Adventure Mode With Ickis)
 * 13) Krumm (Complete Adventure Mode With Oblina)
 * 14) Norbert & Daggett (Complete Adventure Mode With CatDog)
 * 15) Darwin Thornberry (Complete Adventure Mode With Eliza Thornberry)
 * 16) Donnie Thornberry (Complete Adventure Mode With Darwin Thornberry)
 * 17) Reggie Rocket (Complete Adventure Mode With Otto Rocket)
 * 18) GIR (Complete Adventure Mode With Zim)
 * 19) Sheen Estevez (Complete Adventure Mode With Jimmy Neutron)
 * 20) Katara (Complete Adventure Mode With Aang)
 * 21) Toph Beifong (Complete Adventure Mode With Katara)
 * 22) Asami Sato (Complete Adventure Mode With Korra)

Stages

 * SpongeBob SquarePants
 * Jellyfish Fields
 * Globe Universe
 * Goo Lagoon
 * Rock Bottom (Unlockable)
 * Rugrats
 * Toy Palace
 * Reptar Ruins
 * Hey, Arnold!
 * P.S. 118
 * San Lorenzo (Unlockable)
 * Teenage Mutant Ninja Turtles
 * Sewer Lair
 * Rooftops
 * Channel 6
 * Dimension X (Unlockable)
 * Technodrome (Unlockable)
 * The Loud House
 * Royal Woods
 * Most Haunted Tour (Unlockable)
 * The Ren & Stimpy Show
 * Space Madness
 * Toaster Trouble (Unlockable)
 * Rocko's Modern Life
 * O-Town Highway
 * Nature-O-Rama (Unlockable)
 * AAAHH!!! Real Monsters
 * Monster Academy
 * The Dump (Unlockable)
 * The Angry Beavers
 * Norbert & Daggett's House (Unlockable)
 * CatDog
 * House Of CatDog
 * The Wild Thornberrys
 * Safari Hideout
 * Wild Waterfall (Unlockable)
 * Rocket Power
 * Ocean Shores
 * The Fairly OddParents
 * Fairy World
 * The Adventures Of Jimmy Neutron - Boy Genius/Planet Sheen
 * Retroville
 * Zeenu (Unlockable)
 * Danny Phantom
 * The Ghost Zone
 * Avatar - The Last Airbender/The Legend Of Korra
 * Air Temple Island
 * Northern Water Tribe
 * Ba Sing Se (Unlockable)
 * The Spirit World (Unlockable)
 * Invader Zim
 * Irken Armada
 * Foodcourtia (Unlockable)