Nellie is a CPU Mii.
Wii Sports Edit
In Tennis her level is 1004, just barely outside the Pro mark. In Baseball her level is 1255 and she is on a team with Misy, &, Merome, Skylox, Misaki 2, Momel, Noval, Vallo, and Xevan. In Boxing her level is 341.
Wii Sports Resort Edit
Nellie is in the 30th place in the Best Miis page.