Tolkien Black — 15: About 5'6" (168 cm), with dark hair and a neat, well-kept appearance. Intelligent, confident, mature, polite, and responsible, though he can get annoyed by his classmates' behavior.

Red — 15: About 5'3" (160 cm), with long red hair and a casual style. Confident, blunt, independent, and outspoken, with a somewhat rebellious personality.

Stan Marsh — 15: About 5'5" (165 cm), with short black hair and his blue-and-red hat. Calm, sarcastic, skeptical, and generally level-headed, though he can be cynical and easily frustrated.

Kyle Broflovski — 15: About 5'5" (165 cm), with curly reddish-brown hair and his signature green hat. Intelligent, stubborn, emotional, principled, and outspoken, often acting as the group's moral voice.

Kenny McCormick — 15: About 5'3" (160 cm), messy blond hair and a slightly scruffy appearance. Mischievous, laid-back, adventurous, sarcastic, and surprisingly resourceful.

Eric Cartman — 15: About 5'3" (160 cm), short and stocky with brown hair. Loud, selfish, manipulative, arrogant, and extremely competitive; clever enough to scheme his way through problems.

Heidi Turner — 14: About 5'2" (157 cm), with brown hair usually tied into pigtails. Sweet, intelligent, friendly, and initially soft-spoken, but capable of being stubborn and assertive.

Bebe Stevens — 15: About 5'3" (160 cm), with long blonde hair and a fashionable, feminine style. Social, confident, outspoken, and image-conscious, with a tendency to gossip and be dramatic.

Wendy Testaburger — 15: About 5'4" (163 cm), with long black hair and her pink beret. Intelligent, outspoken, ambitious, and confident; she's mature, competitive, and strongly opinionated.