Steve

Steve is a CPU Mii.

Wii Sports
In Tennis, he is at 650-670 and usually plays with Kentaro or Misaki. In Boxing Steve is around 200-300. In Baseball Steve is at Pro Class and has a team consisting of Pierre, Takumi, Shinnosuke, Hiroshi, Rin, Emily, Sarah and Saburo.

Wii Sports Resort
In Table Tennis, Steve is at 1180+ and uses a hotel slipper instead of a paddle. In Swordplay Steve is at 110-120 in skill. In Basketball he is one of the near champion players and has a team of Midori and Theo usually.

Trivia
Steve shares the name of another video game character: the default playable character in Minecraft.