Silke

Silke is a CPU Mii from both games.

Wii Sports
She is one of the 9 starters in Baseball, often appearing as the person behind the batter. Her own team consists of Jessie, Abby, Kentaro, Matt, Akira, Luca, Emma and Elisa. In Tennis she plays with Kentaro and is at 760.

Wii Sports Resort
She is not the best at Table Tennis with a mediocre skill of 400-500. She is a PRO in Basketball and plays on Akira's team. She is at 710 in Sword Play.

Trivia

 * Interestingly, she appears to play with her teammates in Tennis (Kentaro) and Basketball (Akira) and comes after Kentaro in Swordplay. Interestingly, Kentaro and Silke are both expert difficulty in Wii Party.