Heidi Turner is a student at South Park Elementary. Heidi is portrayed as one of the "popular girls" in the fourth grade. She is usually seen with Wendy, Bebe, Red, Milly, Annie, Lola, Esther, and Sally. She hosted a sleepover in "Marjorine", at which most of the "popular girls" attended, once again illustrating her popularity. She has been shown with different parents in four separate instances, most likely continuity errors.