Characters in Super Smash Bros. Brawl
Characters that you don't need to unlock are: Mario, Peach, Bowser, Yoshi, Wario, Donkey Kong, Diddy Kong, Pit, Link, Zelda/Shiek, Kirby, King Dedede, Meta Knight, Samus/Zero Suit Samus, Fox, Lucas, Ike, Pikachu, Pokemon Trainer - Charizard, Squirtle, Ivysaur, Ice Climbers and Olimar. You'll have to find out what other characters you can unlock. :)