Arnie Grape from What's Eating Gilbert Grape is a cheerful, energetic, and affectionate young man with an innocent way of looking at the world. He has short, light-blond hair, fair skin, and bright, expressive eyes. He is usually seen wearing casual clothes, such as T-shirts, shorts, and sneakers. Arnie has an expressive face and often smiles, laughs, or makes curious observations about whatever is happening around him. Personality-wise, Arnie is playful, talkative, stubborn, and naturally curious. He loves climbing things, exploring, joking around, and getting his older brother Gilbert's attention. He can be mischievous and sometimes refuses to listen when someone tells him not to do something. Because of his intellectual disability, he needs extra help understanding certain situations and staying safe, but he is also affectionate, sensitive, and capable of showing a lot of love. He is especially attached to Gilbert and trusts him deeply, often looking to him for comfort and reassurance. Arnie can become upset when he feels confused or thinks someone is angry with him, but he also has a lively sense of humor and a strong desire to do things independently. Underneath his playful behavior, he is a loving young man who wants to feel included, understood, and cared for.

Gilbert Grape from What's Eating Gilbert Grape is a young man in his early twenties with messy, dark-brown hair, fair skin, and a lean build. He has a somewhat tired expression, thoughtful eyes, and a quiet, understated appearance. He usually wears simple, casual clothes like plain T-shirts, jeans, and work clothes that fit his small-town life in Iowa. Personality-wise, Gilbert is quiet, sarcastic, patient, and responsible, but he often hides his feelings behind jokes and a laid-back attitude. He spends much of his time taking care of his younger brother Arnie and helping support his family, which leaves him feeling trapped by his responsibilities. Even when he seems irritated or distant, he deeply loves his family, especially Arnie, and is extremely protective of him. Gilbert can be charming and funny, but he also struggles with frustration, guilt, and the feeling that his life is passing him by. He sometimes makes impulsive decisions and has difficulty talking honestly about his emotions. Despite his flaws, he has a caring side and wants a chance to live his own life without abandoning the people who depend on him. Underneath his tired, sarcastic exterior, Gilbert is a compassionate person who carries more responsibility than most people his age.