Wendy Testaburger is a South Park character, the show's main girl. She is the only main character who is female, and is the girlfriend/love interest of Stan Marsh. She was 8 years old at the beginning of the series, but is currently 10 years old. She began as a sweet but unpredictable tomboy, but became more girly and mature as the show went on. She was voiced by Mary Kay Bergman at 8 years old, Eliza Jane Schneider at 9 years old, and April Stewart at 10 years old.
- Olivia Flaversham in The Great Gem Detective
- Young Nala in The Anime King
- Lady in Wendy & Stan
- Juliet in Stan & Wendy: Sealed With a Kiss
- Matilda in Wendy Testaburger (Matilda)
- Young Twilight Sparkle in My Little Human: Friendship Is Magic