The Mii universe (Mii, Mii) refers to the Super Smash Bros. series' collection of properties that hail from the multitude of games that center around Miis, creatable avatars on every Nintendo console since the Wii. Wii Sports, Pilotwings, Find Mii, Tomodachi and Miiverse are all considered sub-universes. Wii Fit could be considered another sub-universe but as it has it's own non-Mii character, it is considered it's own entity.
Characters from Mii games appear as spirits to collect.
Main article: List of spirits (Mii series)
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