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 and Tennis.

Wii Party U
Juliette is a Standard CPU.

Trivia

 * Her Japanese name is Jurietto.
 * In Dojo Domination Intro, we can see her playing.
 * She appears as a ghost in Mario Kart 8 and according to her profile, she's French.
 * You can earn her badge for making 50 edits on MK8/MK8 Deluxe Ghosts articles.