It seems very logical to me. That is, almost too logical. It seems like there would be atleast one 'wtf' character that no one guessed, these are all guys we would relatively expect.DISCLAIMER: THIS IS STRICTLY A RUMOR FOR NOW
Supposedly, a graphics designer on staff for Prima (guide books for games) has leaked the roster, and is as follows:
Young Link (Wind Waker/Phantom Hourglass Themed)
Mr. Game and Watch
Zero Suit Samus
Animal Crossing Villager
EDIT: And on a side note, ZOMG NO SORAZ!? IMA GO KILL MYZELVEZ!