Jiahao

Jiahao is a custom mii cpu.

Wii Sports Club
In Wii Sports Club, Jiahao is good at tennis, being grade ★5. In baseball, he is good, being grade ★2. In boxing, he is very good, being ★9.

Mii Challenge
In Mii Challenge, he is ranked very hard. In Moving Up mode, he is only pro in high jump and trampoline tricks, but performs well in every sport. He is the champion of high jump. On average he can make it through 7 rounds. When you beat him, you get a message saying that "you were an exellent opponent", and you also unlock his purple jump bar.

Wii Party U
In Wii Party U, he is a master mii.

Trivia

 * According to his internal data, he's Chinese.
 * His Japanese name is ジアハオ (Jiahao). This is identical to his english name.
 * In the data files of Miitopia, he's listed as CHILD
 * In Mario Kart 8/Deluxe, he appears as a staff ghost in Mario Circuit as Luigi, with his name set as Nin★Jiahao.
 * According to his staff ghost in Mario Kart 8, his confirmed nationality is Chinese.
 * His internal ID in Wii Sports Club is 005.