Mark

Mark is a CPU Mii.

Wii Sports Club
In Tennis, Baseball, and Boxing, he is a Pro at Grade ★10.

Wii Party U
In Wii Party U, Mark is a Standard CPU. His Japanese name is Maku.

Trivia

 * Mark is always a Pro Mii.
 * He appears in Splatoon 2 as an Inkling.
 * According to his Mario Kart 8 Profile, he's Dutch.
 * He's Dutch-American. (Mostly Dutch)