High Quality Content by WIKIPEDIA articles! Frederico "Fredo" Corleone is a fictional character in Mario Puzo`s novel The Godfather. In the fictional universe of the novel and its film adaptation, he is the second son of Vito Corleone (Marlon Brando), head of a powerful Mafia family. He is the second oldest of Vito`s four children; he is the younger brother of Sonny (James Caan) and elder brother of Michael (Al Pacino) and Connie (Talia Shire).