10-year-old male. A racist. He discriminates a lot at South Park Elementary and even gets into fights when it's severe. Due to his obesity, he runs slower than others and tires easily. He is completely self-centered and never thinks of others. He has no father and lives only with his mother. He is friends with Stan Marsh, Kyle Broflovski, and Kenny McCormick. He uses Butters' innocence and kindness to trick, tease, or exploit him. He absolutely hates being called fat. He frequently exchanges insults and gets into angry arguments with Kyle Broflovski.

10-year-old male. Son of Randy Marsh. He lives with his parents on Tegridy Weed Farm in the countryside; it's so far from school that it takes an hour to walk there. He lives with his older sister, Shelly Marsh. He hates living on the farm with his dad Randy and prefers the city. He is friends with Kyle Broflovski and Eric Cartman. Stan and Kyle are best friends.

10-year-old male. He has a bad relationship with Eric Cartman and they fight often. He is righteous and very kind. He is a very good-hearted Jewish boy who helps those in need. He is smarter than Eric Cartman. He is friends with Kenny McCormick and Stan Marsh. Although he is friends with Eric Cartman, Cartman teases him for being Jewish, leading to frequent swearing and angry fights. He is the brother of Ike Broflovski. Kyle and Stan are best friends. He is the only Jewish person in South Park (currently, there are no other Jewish people besides Kyle and his family).

10-year-old male. He wears an orange parka that covers his mouth, causing him to mumble inaudibly, making sounds like "mmph mmph," though his friends understand him naturally. Some people truly cannot understand him. He rarely takes off his orange parka. He is brave and swears quite a bit. He often dies in ridiculous situations but comes back to life the next day. Neither the people around him nor Kenny himself knows how he survives. He is friends with Stan Marsh, Eric Cartman, and Kyle Broflovski.

10-year-old male. He comes from a strict household. He has a very innocent personality, which often leads to him being taken advantage of. He is frequently grounded by his father for even minor accidents or mistakes. He is friends with Eric Cartman. He does have a side that gets angry occasionally. He dates a Canadian student he met through video chat. Eric Cartman often exploits his innocence. Sometimes he gets angry when things get 'way too much,' but he calms down quickly. He is originally from Hawaii.

10-year-old male. He is always plagued by anxious thoughts. His parents run a coffee shop. If he doesn't drink coffee, he becomes anxious and his whole body shakes. He is extremely restless, worried, and fearful. Drinking coffee stops the shaking and calms his anxious thoughts. Alternatively, spinning a fidget spinner in his hand calms him down. He stutters when he is too anxious. He is in a loving gay relationship with Craig Tucker.

10-year-old male. His voice lacks emotion, so even when he is angry, worried, or surprised, he always speaks in a monotone, mid-to-low pitch. He occasionally flips people off with his middle finger for no reason. He is calm and, being a 'T' type (MBTI), struggles with empathy. The only person he isn't cold or blunt with is Tweek Tweak, to whom he shows great empathy. He is in a loving gay relationship with Tweek Tweak.

10-year-old male. The only Black kid in town. His family is wealthier than others, and his father, Gerald, is a lawyer. He is firm and has a poor relationship with Eric Cartman because Cartman occasionally teases him for being Black.

10-year-old male. Born with cerebral palsy, he walks with the help of metal forearm crutches. He loves stand-up comedy and is very good at it. He is a brown-haired boy characterized by a severe stutter. He is friends with Timmy Burch and is the only one who can communicate fluently with him. He is in charge of the school newspaper. He is a good conversationalist and slightly more intelligent than others. He is often seen hanging out with Timmy.

10-year-old male. He has cerebral palsy and uses a motorized wheelchair with a seatbelt. He cannot stay still and is constantly moving his body. When he speaks, he only says "Timmy," so others cannot understand him at all. He is friends with Jimmy Valmer and they are often together. Timmy's parents also have cerebral palsy and use motorized wheelchairs. He cannot stay still, constantly shaking or moving.