Wendy Testaburger is a major-supporting character on South Park. She is the most prominent of the female classmates of Stan, Kyle, Cartman, and Kenny, as well as Stan's on-and-off girlfriend. She is a female fourth-grade student at South Park Elementary. She made her first appearance and speaking role in the Season One episode, "Cartman Gets an Anal Probe". She has been voiced by four people during the series' run: Mary Kay Bergman, Mona Marshall, Eliza J. Schneiderk90