John Winchester is a fictional character from the television series Supernatural. He is portrayed as a dedicated father and a skilled hunter of supernatural creatures. John is known for his relentless pursuit of the truth about the death of his wife, Mary Winchester, which drives much of his actions throughout the series. As the father of two sons, Sam and Dean Winchester, John instills in them the importance of family and the dangers of the supernatural world. His character is often depicted as tough and resourceful, but also deeply flawed, struggling with the consequences of his choices and the impact on his family.