This Mii is canon. That means this Mii actually exists in the Wii Sports/Wii Sports Resort/Wii Sports Club games.
|Level|| Tennis: Unknown
Boxing: Coach only
Baseball: Teammate only
In Wii Party U, William is a Master Mii.
- His Japanese name is ウィリアム (U~Iriamu).
- He is the only CPU Mii in the entire series whose name starts with W.
- He is the only Master Mii from Wii Party U with the regular glasses.
- He and Barry are the only Master Miis in Wii Party U to wear glasses.
- Merrick previously had this Mii's name in a Streetpass Promotion.
- He and Bo-Jia are the only Wii Party U Master Miis to have a mustache but no beard.
- Neither is an opponent in any sport.
- There is a CPU Mii from Wii Sports Club with the Spanish translation of his name: Guillermo.
- According to internal datas, he's American.
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