Finn is an energetic 12-year-old boy. He is revealed to have low intelligence, but he is caring and protective towards his friends. Finn is also shown to love and talk to animals. Finn is skinny with an average height for his age. He has blonde hair and blue eyes. He usually wears a T-shirt but is often seen wearing sleeveless shirts as well. He is presented as having poor hygiene, and he does not brush his teeth or take showers. He is an camper Camp Kikiwaka, near the town of Moose Rump, Maine.