Santino "Sonny" Corleone is a fictional character in Mario Puzo's 1969 novel The Godfather and its 1972 film adaptation. He is the eldest son of the mafia don Vito Corleone and Carmela Corleone. He has two brothers, Fredo and Michael, and a sister, Connie. In the film, Sonny was portrayed by James Caan, who briefly reprised his role for a flashback scene in The Godfather Part II. Director Francis Ford Coppola's son Roman Coppola played Sonny as a boy in the 1920s scenes of The Godfather Part II.