"Billy Hope" is a fictional character from the 2015 sports drama film titled "Southpaw." He is portrayed by actor Jake Gyllenhaal and is a professional boxer who faces personal and professional challenges after a tragic event in his life. The film explores themes of redemption, resilience, and the impact of loss. The story follows Billy as he struggles to regain his title and rebuild his life after the death of his wife, Maureen Hope, played by Rachel McAdams. With the help of a new trainer, Tick Wills, portrayed by Forest Whitaker, Billy learns to channel his anger and pain into his boxing career, ultimately seeking to become a better father and fighter.