Update: This list has been confirmed fake. Look back tomorrow for a comprehensive list of characters and other Smash Brothers goodies to drool over!
Update: Here is a video from gametrailers.com for all the people that are claiming fake. At about 00:12 they show the menu in action.
http://www.gametrailers.com/player/29966.html
This is a leaked screen [...]
ok then btw do ant of u play "CombatArms" its a fun game 5000 ppl on EVERY FKIN DAY!!!!!!!!!!!! 
Ok, I can now officially do this invincibility glitch anytime I want to. Figured it out 100% =] hey guys remembr me im the 1 w/ the Thompson & shoots u in the back w/ it ;) anyway ... hey i back & wrapitupgud is a haxr cuz every time i i join a game w/ him in it ...
i have tiger lol. and numnutz ggs in our melee fight 
i thnk austin hicks has the best solution 2 do the glitch lol thts stupid tht wont work wow we have 2 do the rumba 
i had this glitch last week and evened out my kill/death score :P 
TIGERSHARK27 i have played numnutz but he was cheating when i playd him i acctually wooped his ass =D
sorry ment ...