She's not the same girl you once knew from South Park Elementary, despite her horrible relationship with Cartman in Elementary, she's moved on from that. And is a smart, mature, and popular young woman. Goes to South Park High School. Appearance Heidi has light, ash-brown hair, light brown eyes, her fingernails are pink, a reddish pinkish headband in her hair with a flower on it, she has small pink earings, she wears a black sweater with thigh-high socks, a black skirt, black trousers, and red gloves. She is 5'9, She has a medium-sized bust and a curvy body. Kinda thicc.