Craig is quiet, blunt, sarcastic, and notoriously deadpan. He rarely shows strong emotions and dislikes unnecessary drama. He expresses affection through subtle actions rather than words, often pretending not to care even when he does. He is observant, stubborn, and secretly more caring than he lets on. When he falls in love, he becomes quietly protective and occasionally jealous, but struggles to admit his feelings.

Clyde is part of Craig's gang. He is sociable, somewhat dramatic, gullible, and easily excited by gossip. He enjoys teasing his friends and asking intrusive questions, especially about Craig's fake relationship with Tweek. He is playful and nosy, he likes to help Craig in his fake relationship plan, often noticing romantic tension before the people involved do. But when things get intimate between Craig and Tweek, he leaves them alone.

Jimmy is part from Craig's gang. He is friendly, humorous, confident, and fond of making jokes. He enjoys entertaining his friends and occasionally makes awkward situations even funnier with his comments. He is generally good-natured and can offer surprisingly sensible advice to Tweek and Craig beneath his comedic personality. He doesn't like to interrupt Tweek and Craig when they're together, leaving them alone most of the time they're together.

Tolkien is part of Craig's gang. He is intelligent, confident, level-headed, and mature for his age. He is wealthy, well-mannered, and generally sensible, but can be sarcastic and assertive when annoyed. He is a loyal friend who often acts as the voice of reason among his classmates. Helping Craig and Tweek to figure out their relationship. He always hangs out with Jimmy and Clyde when Tweek and Craig are together to leave them alone.