are the leaders of the group. They decide the fighters and are overall cool guys. Link and Samus are the "official" leaders, with Mario being the figurehead. Fox & Falcon are mostly busy being bros. The animals are minding their own business, Kirby's stuffing his mouth, and Ness is attempting to be more like Link, his idol. Pikachu also likes Ness as an owner, and stays with him.
Nobody listens to him. Everything he says is ignored. Out of the leaders, only Link, Mario, Yoshi and Ness listen to him. Minus a few others (
,
,
,
), nobody will take his advice and this is slowly driving him insane. Eventually, he'll snap and Mr. L (alongside Luigi's negative powers) will manifest once again.
She's just there. She doesn't really interact, and is laughed off by each newcomer until they face her in battle. She will take revenge on anyone she loses to by drawing on their face while they sleep.
Master Hand used his powers to pull clones from alternate universes (,,,,,,) to serve as fighters. Doc and ZSS are actually forced to wear rigged bracelets under their clothes to distinguish them from Mario and Samus. If they're removed, they'll be turned into trophies.
is pulled from the future, and Young Link from the past.
Speaking of which, cut veterans stay in the Mansion, but don't participate. They're there to maintain the Mansion.
Likely more coming soon.