Skull Kid and Knuckles who I'm completely ¯\_(ツ

_/¯ towards. Skull Kid is just a proxy for Majora's Mask hype and I never got the feeling like he warranted much more than a few cool nods/an AT. Knuckles has legal red tape all over himself by virtue of bringing SEGA in on the fun. Even if we suspend our disbelief and think that papa Nintendo's just going to wink and go about his business with this mod, how could anyone think that using another company's properties while already being on such nebulous ground could be a good thing?
Then again, Dracula's Castle is an official stage in the mod while having no external references within Brawl so...