The most reasonable character list mock up for SSBB:

[rocknroll4eva]

oh and i think young link was taken out of the game and replaced with the wind waker link but im not sure

 

[christicehurst]

Mario vs. Sonic.

The battle I want to see for nearly 20 years!!!

 

[NintendoWiiMASTER]

i REALLY REALLY REALLY hope they leave Zelda in there