Valeska is a CPU Mii from Wii Sports, Wii Sports Resort and Wii Party.
In Tennis, her skill level is 152-304 and plays with Martin or Xixkix. In Baseball, her skill level is 125-250 and her teams consists of herself, Kentaro, Matt, Akira, Luca, Emma, Elisa, Fatso and Adam. In Boxing, her skill level is 142-284.
Wii Sports Resort
In Swordplay, her skill level is 204-208 and she appear as a Swordplay Showdown Boss in Stage 24. In Basketball, her skill level is 156-160 and her teammates consists of someone and someone. In Table Tennis, her skill level is 192-196. In Cycling, she comes in 44th out of 98.
In Wii Party, Valeska is a Beginner Mii.