SPOILERS
-Mario
-Donkey Kong
-Twilight Princess Link
-Samus
-Kirby
-Fox McCloud
-Pikachu
-Diddy Kong
-Zelda
-Pit
-Meta Knight
-Pokeyman Trainer
-Ike
-Peach
-Yoshi
-Ice Climbers
-Dedede
-Bowser
-Wario
-Lucas
-Solid Snake
-Sonic the Hedgehog
-C. Falcon
-Luigi
-Jigglypuff
-Ganondorf
-ROB the Robot
-Mr. Game & Watch
-Falco Lombardi
-Ness
-Marth
-Lucario
-Olimar
-Wind Waker Link
Ridley is a boss in Samus' Sub-Space Emissary missions, however.
END SPOILERS
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