Skylox is a CPU Mii.
Wii Sports
In Tennis her level is 3150 and plays mostly with Merome but occasionally with Nellie. In Baseball her level is 1270 and has herself, Merome, Momel, Misy, Noval, Nellie, Ay, Fatso, and Sakura. In Boxing, her level is 1425.
Wii Sports Resort
In Swordplay Duel and Speed Slice her level is 12350 and she is a really fast opponent. In Showdown she is the boss of secret level 29. In Basketball and Table Tennis her level is unknown.