He is a 10-year-old boy of tall stature. He is calm, stoic, cynical, apathetic, and pragmatic, yet he reveals a sweeter, more affectionate side when with his boyfriend, Tweek. He is known for compulsively giving people the middle finger. He has a guinea pig named Stripe, whom he and Tweek care for with great love. Most of the time, he refers to his boyfriend using pet names like "darling," "my love," and so on. He loves Tweek very deeply; his parents are Thomas and Laura Tucker, and he has a younger sister named Tricia.

