Juliette

Not to be confused with Julie.

Juliette is a CPU Mii from Wii Sports Club and Wii Party U.

Wii Sports Club
She's a Baseball team player. She isn't seen in Boxing or Tennis.

Wii Party U
In Wii Party U, Juliette is a Standard Mii.

Trivia

 * You can earn her badge for making 50 edits on "MK8/MK8 Deluxe Ghosts" articles.
 * Her Japanese name is Jurietto (ジュリエット).
 * She may be related to Léonie since they have the same eyes, the same eye color, the same lips, they're both French, and both have similar hairstyles.
 * She appears as a ghost in Mario Kart 8 and according to her profile, she's French.
 * In Wii Party U's "Dojo Domination" intro, we can see her playing.
 * She appears in the Super Mario Maker 2 Direct. In it, she leaves a comment on Mónica's course. Only the edge is seen, but earlier in the video, we see that her comment is supposed to say "So close!"