Jeff

Jeff is a CPU Mii from Wii Sports Club.

Wii Sports Club
In Tennis and Baseball he is at Grade ★1. In Boxing his Grade is only 3.

Wii Party U
In Wii Party U, Jeff is a Master CPU.

Trivia

 * Jeff is also a name for the scientist boy from EarthBound.
 * His Japanese name is Jefu.
 * You earn his badge for every 500 edits you make on Wii Sports Club articles.