Advanced Miis are the CPUs in the middle skill in Wii Party.
The other CPU Skills are Beginner, Standard, Expert, Master, and Advanced Master.
List
Note: They are not exhaustive.
Wii Party
Alli, Cole, Daisuke, Dillon, Drake Bell, Elisa, Emily, Florian, Fritz, Fumiko, Gabriele, Giovanna, Herb, Hilvi, Hiromi, Holly, Instructor Mooselini, Kathrin, King Dedede, Leo P, Marco, Michael, Misaki, Miss, Naomi, Norbert Otto Trebron, Oscar, Professor Squawkencluck, Ren, Ryan, Sasha (2), Serena, Stiletto, Takashi, Tomrone, Ursula
Wii Party U
Alice, Anne, Cheng-Han, Cristina, Erick, Frank, Haixiang, Hiromi, Ilka, Irina, Jialan, João, Kaori, Laura, Lea, Marius, Masako, Massimo, Merrick, Mi-sun, Patricia, Quinn, Renee, Ricardo, Xiao-Tong
Newer Wii Party
Front Row: Alex, Daisuke, Ashley, Emily, Gabi, Giovanna, Hiromasa.
Second Row: Hiromi, James, Julie, Kathrin, Keiko, Andy, Midori.
Third Row: Michael, Miguel, Miyu, Oscar, Sandra, Silke.
Switch Party:
Alice, Brent, Dan, Faren, Jack, Karen, Raphael, Rass, Mikio, Luca, Ahmya, Gilsa, Uart,