William

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

Wii Sports Club
He appears in Baseball only.

Wii Party U
In Wii Part U, William is a Master CPU.

Trivia

 * His Japanese name is Wiriamu.
 * You can earn his badge for making 25 edits on "Wii Sports Club" articles, or for every 500 edits you make on "Master CPU" articles.