She is a CPU Mii from Wii Sports and Wii Sports Club.

Wii Sports[]
In Boxing, she is unknown. In Tennis her skill is very low at only 155-182. She often plays with Sasha or Twex. In Baseball she is good. Xixki's skill is around 645.
Wii Sports Club[]
In Baseball, she is one of the first Pros. Her Grade is ★1. In Tennis she is OK at level 5. In Boxing she is a high Pro at level ★9.