特蕾莎是南方公园小学的四年级女生。她在21季中的"变本加厉"和"水中小熊"扮演了重要角色
外观
她有黑色的头发。她穿着一件浅橙色的长袖衬衫，一件蓝色的背心和一条深绿色的裙子。她还有绿色的发带，用来把头发扎成两个蓬松的辫子。她是目前唯一一个穿着背心的学生。
个性
善良、自由、防御性的特蕾莎对家庭的经济状况没有安全感，住在一辆拖车里，她更喜欢把它叫做“小房子”。她对家庭的成功很敏感，或者说是缺乏成功，所以她声称她的家庭只是为了给环境带来好处，希望能更好地描绘出她不幸的家庭状况。她是一个自由的人，她非常关心环境，让一个人的成功与他们对待地球的方式相一致。她很会为自己辩护，而且一直在努力掩饰自己不为自己感到骄傲的事情，或者说是粉饰自己。
出场剧集
- "The List" - She was shown as a member of the List-making committee.
- "Tonsil Trouble" - Seen in the background on the playground.
- "Super Fun Time" - Seen as Allie Nelson's partner during the field trip.
- "Elementary School Musical" - She was shown singing and dancing.
- "The Ring" - Seen at the Jonas Brothers concert.
- "Ass Burgers" - Cartman sells her a burger.
- "Butterballs" - Seen at the school assembly.
- "Cartman Finds Love"
- "A Scause For Applause" - Seen in the background in the school hallways talking to Kevin Stoley.
- "Let Go, Let Gov" - Seen in the playground.
- "Informative Murder Porn" - Seen in a town meeting at the Community Center.
- "World War Zimmerman"- Seen on the playground turning the jump-rope for Butters.
- "Taming Strange" - Briefly seen in the background in the lunchroom.
- "Gluten Free Ebola" - Seen at the boys' big party, talking to Kelly Pinkerton-Tinfurter.
- "Stunning and Brave"
- "The City Part of Town"
- "You're Not Yelping" - Seen in the hallway.
- "Truth and Advertising" - Seen in the cafeteria.
- "Member Berries" - Seen at the school assembly.
- "Skank Hunt" - Conspires with her fellow female classmates to get back at the boys for Skankhunt42's wrongdoings.
- "Wieners Out" - Seen in the stands at the volleyball game.
- "Douche and a Danish" - Seen in the battle between the girls and the boys.
- "Hummels & Heroin" - Rallies with Marcus Preston after witnessing his presentation in the schoolcafeteria.
- "Doubling Down" - Later takes Heidi out to eat with the other girls. Teases her for her relationship with Cartman, although playfully, she makes very harsh comments and unintentionally hurts Heidi's feelings.
- "Moss Piglets" - Eats with the girls at lunch. Teased by Heidi at the bus stop for living in a trailer park.
- "SUPER HARD PCness" - Seen running to the gym with the students.