The Boy with the Red Shirt and Blue Pants often appears as a background character. He had a minor speaking role in "Ginger Kids", where he gets abducted by Ginger Kids as he's was about to brush his teeth.
He made an appearance in South Park: Bigger, Longer & Uncut, as one of the children who sang with Eric Cartman. Since then, he has had numerous other minor background appearances. He replaced Francis in Mr. Garrison's class from "Elementary School Musical" through "Dances with Smurfs". He is frequently seen carrying his lunch in establishing shots for cafeteria scenes.
He wears a red shirt, blue pants, brown shoes, and dark blue gloves. He has curly black hair and has eyebrows different from other children..
- "Rainforest Shmainforest" - Part of the Getting Gay With Kids choir.
- "The Succubus" - Second appearance. He is seen in the cafeteria.
- South Park: Bigger, Longer & Uncut - He is shown dancing when Cartman sings "Kyle's Mom's a Bitch". Also seen in the theater with the rest of the kids watching Asses of Fire. Also a member of La Resistance.
- "The Tooth Fairy Tats 2000" - Seen in the background on the playground.
- "Chef Goes Nanners" - Seen on Wendy's debate team.
- "Raisins" - Briefly seen in the playground.
- "Marjorine" - Seen in the boys meeting.
- "Ginger Kids" - Seen in his bathroom as Ginger Kids abduct him.
- "Free Willzyx" - Helps the rest of the fourth grade boys free the imprisoned whale.
- "Bloody Mary" - Seen at Karate lesson.
- "Tsst" - First speaking role. Seen in the Nanny 911 intro.
- "Breast Cancer Show Ever" - He is shown watching the fight between Wendy Testaburger and Cartman.
- "Fatbeard" - Seen carrying his lunch tray in the cafeteria.
- "Butters' Bottom Bitch" - Seen in the school's playground.
- "Dances with Smurfs" - Seen in the background.
- "Funnybot"- Seen in the background of the gymnasium.
- "Faith Hilling" - Seen in the memeing class with the other 4th Grade students.
- "Jewpacabra" - Seen at the Easter egg hunt.
- "Butterballs" - Seen in the background in the cafeteria.
- "Cartman Finds Love" - Seen in the background in the school's hallways.
- "Raising the Bar" - Seen in the school gym when Cartman talks about anorexia.
- "Insecurity" - Seen in the background in the school hallways.
- "Going Native" - Seen carrying his lunch tray in the cafeteria.
- "A Scause For Applause" - Seen in the background in the school hallways talking to Craig Tucker.
- "Let Go, Let Gov" - Seen carrying his lunch tray in the cafeteria.
- "World War Zimmerman" - Seen using the locker in the school hallways.
- "Ginger Cow" - Seen in the cafeteria.
- "Gluten Free Ebola"- Seen at the boys party.
- "The Cissy"- Seen in the school hallway after Cartman gets his own bathroom.
- "Stunning and Brave- Seen when PC principal is made Principal.
- "Skank Hunt" - Seen in the school's library.
- "Wieners Out" - Seen participating in Butters' Wieners Out movement.
- "Douche and a Danish" - Seen in the battle between the boys and the girls.
- "Oh, Jeez" - Seen at the school assembly.
- "Holiday Special" - Seen in the hallway rioting due to a cancellation of Columbus Day, and seen in the crowd.
- "Hummels & Heroin" - Seen at Marcus' birthday party.
- "SUPER HARD PCness" - Seen in the hallway evacuating to the gym.
- "The Problem with a Poo" - Seen in the school assembly.
- "Bike Parade" - Seen at the bike parade.
- "Let Them Eat Goo" - Seen in the corridor.
- "Tegridy Farms Halloween Special" - Seen at the school assembly.
- "Season Finale" - Seen playing football with the boys.
- "Basic Cable" - Seen in the school bus.
- He is known as "Curly" in the fandoms.