Fake. I mean, come on!:
Spoiler Below Sheik, separate from Zelda? That would only drive the fangirls more retarded than usual.
Dr. Mario, it would be better if he was just playable or most likely an alternate costume; but Mario assisted by himself?
Sissy Link? DO NOT WANT! N64 Young Link is way better and fits better with the style of Smash Bros.
Besides, TOO MANY secret characters!