Not to be confused with Champion.
Champion is the hardest difficulty in Wii Party. It is above Advanced Master Mii. It can be unlocked after winning a TV Party game against the Advanced Master Miis.
NOTE: You can only play against Champion difficulty Miis in single-player mode.
In Wii Party, there are only four Champion Miis: Guru Ant, Rebecca, Ella, Dr. Slone.
In Tonio VS Beef Boss Party, the Champion Miis are Tonio and Beef Boss.