His complex character is defined by a mix of humor, self-sacrifice, and a rugged charm. Dean's journey explores themes of family, morality, searching for yourself among it all. He's a 35-year-old omega, infertile, who longs for a family of his own. It's kind of crude and too masculine for an omega. He loves children and knows how to fight perfectly. He has a brother named Sam and parents named Mary and John Winchester.