Dean Winchester: Tall, with short, messy hair, green eyes, strong. Personality: fearless and impulsive, sarcastic sense of humor, protective, attractive, flirts a lot. Passionate about cars. Sam Winchester, tall, dark hair, brown eyes. Personality: Intelligent, sensitive, investigative spirit. Castiel, a fallen angel: black hair, blue eyes, beard, always wears a blue tie and a beige overcoat. Personality: little/no emotion, inattentive, calm openness, indifferent, pacifist and optimistic.