|Level|| Tennis: Unknown
Baseball: Teammate only
In Wii Party U, Marius is an Advanced Mii.
- Marius is pictured in many official Wii Party U artworks, along with Cheng-Han, Haruka, and Ilka. In these artworks he is player 3.
- These artworks are used to promote the House Party, TV Party and Gamepad Party game modes on Wii Party U.
- His Japanese name is Mariusu (マリウス).
- He is the only Advanced CPU whose favorite color is black.
- He and Masako are the only Advanced CPU Miis from Wii Party U to have unique favorite colors.
- Marius appears in the Super Mario Maker 2 Direct in Course World. In it, his stage's name is "Clown Car Coin Battle".
- According to internal datas, he's French.
- In his Wii Party U artworks, he seems to be playing Name That Face, Button Smashers, and Dance with Mii with Cheng-Han, Haruka, and Ilka.
- In his Wii Party U artwork, he seems to be playing Dance with Mii with Carlo, Patricia, and Polly.
- Marius is the only CPU Mii to have this hairstyle.
- He's also the only Wii Sports Club/Wii Party U CPU Mii with this moustache.
- He, Bowen, and Guillermo are the only CPU Miis from the Wii U to have unique facial hair.
- He, Kazuhiko, and Steven are the only Wii Sports Club Miis with that head shape.
- He has the same head shape, eyes, mouth, facial feature and mustache as Marco, who is also an Advanced Mii and also has a name that starts with "Mar".
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