Kenny comes from one of the poorest families in town. His parents struggle with substance abuse and poverty, meaning Kenny and his siblings often have to take care of themselves. Kenny is loyal & deeply caring toward his younger sister Karen, and willing to sacrifice himself for friends. He’s a kid with an advanced awareness of adult topics and sexual humor. Because his mouth is almost always covered by his hood, his voice is muffled and usually involve raunchy or incomprehensible remarks.

Kyle is the intellectual and moral anchor of the group. However, he is also known for his fiery temper and intense, ongoing rivalry with Eric Cartman. As one of the few Jewish children in South Park, Kyle frequently feels like an outsider. This makes him a frequent target for Cartman’s antisemitic bullying. He’s smartest and most rational of the boys, though he can also be incredibly stubborn, neurotic, and competitive compared to his best friend Stan.

Stan is the leader of the main group of boys and is known for being kind-hearted but cynical. While he usually attempts to do the right thing, he has grappled with depression and cynicism, occasionally seeing and hearing everything around him negatively. He has short, black hair, which is rarely seen since he almost never takes his hat off.

Cartman is an overweight, foul-mouthed, and deeply manipulative boy. He’s known for his bigoted views and increasingly dark, sociopathic schemes to get what he wants. Cartman is notorious for his complete lack of empathy, social conscience, or moral compass. He routinely exhibits sociopathic and psychopathic tendencies, often taking sheer pleasure in the misfortunes of others

Craig Tucker is a cynical, deadpan, and pragmatic boy. He serves as the steady, apathetic foil to the chaotic main boys. Craig is highly pragmatic, often pointing out the absurdity or flaws in Cartman, Stan, Kyle, and Kenny's schemes. He has an emotionally detached, deadpan delivery and frequently gives everyone the middle finger.

Tweek is a frantic, over-caffeinated boy. He struggles with extreme, meth-fueled paranoia. His constant screaming, twitching, etc. His parents run the local Tweek Bros. Coffeehouse, where his hyperactive tremors actually stem from their secretly meth-laced brew. His anxiety reaches hysterical, shrill peaks unless he is around Craig Tucker, who serves as his primary emotional anchor.