Arnold Shortman is a fictional character from the animated television series Hey Arnold!, which aired from 1996 to 2004. He is a fourth-grader living in a city inspired by Seattle, known for his distinctive football-shaped head and his kind-hearted nature. Arnold is often seen wearing a plaid shirt, a blue beanie, and yellow shorts. Arnold lives with his grandparents, Phil and Gertie, in a boarding house filled with quirky characters. Throughout the series, he navigates the challenges of childhood, friendship, and family while often helping others in his neighborhood. His adventures highlight themes of empathy and understanding.