Super Mario Bros. DX

Starter

 * Mario
 * Luigi
 * Blue Toad
 * Yellow Toad
 * Wario
 * Waluigi

Unlockable

 * T.T.
 * Drumstick
 * Mallow
 * Geno

Guest Stars

 * Pingu (from Pingu)
 * Link (from The Legend of Zelda)
 * Kirby (from Kirby)
 * Pikachu (from Pokemon)
 * Samus (from Metroid)
 * Fox (from Star Fox)
 * Ness (from Mother/Earthbound)
 * Captain Falcon (from F-Zero)
 * Jigglypuff (from Pokemon)
 * Ice Climbers (play as Nana or Popo) (from Ice Climber)
 * Marth (from Fire Emblem)