Mii

Miis are characters of real people who have appeared with Wario in WarioWare: Smooth Moves and Mario in Mario Party 8. In WarioWare: Smooth Moves the Miis star in multiplayermode and in a few of the micro games. One of the multiplayer modes starring the Miis is very similer to the one were you pump up a baloon in WarioWare, Inc. Mega Party Game$

Miis come from the Mii plaza and like to play sports nad games with each other. It is generally considered that this takes place outside The Mushroom Kingdom.