Initially terrified, Bonasera is relieved when Vito Corleone comes to his funeral parlor with the corpse of his elder son, Sonny Corleone, who has been gunned down by the Barzini Family.
After the Tattaglia family's subsequent attempt on the life of Don Vito Corleone fails, Corleone's son Sonny has his men assassinate Bruno as revenge.
At the end of The Godfather, Don Vito's successor and son, Michael, temporarily demotes Hagen within the organization, saying that things could get rough during the family's move to Las Vegas, and he needs a "wartime consigliere." (In an earlier scene, Sonny Corleone, Michael's older brother and acting Don after Vito Corleone's attempted assassination, similarly criticizes Hagen.) Vito Corleone, Michael's father, replaces Hagen at Michael's side as de facto consigliere until his death.
In Winegardner's sequel The Godfather's Revenge, Fontane becomes romantically involved with Francesca Corleone, daughter of Sonny.
Lucy has sex with Vito's son Sonny at the wedding, and has a brief extramarital affair with him.
Sonny Bono | Sonny Rollins | Michael Corleone | Sonny Perdue | Sonny Liston | Sonny | Sonny & Cher | Sonny Corleone | Sonny Boy Williamson II | Sonny Bill Williams | Corleone | Sonny with a Chance | Sonny Tufts | Sonny Landreth | Sonny Fortune | James "Sonny" Crockett | Corleone family | Vito Corleone | Sonny West | Sonny Sandoval | Sonny Jurgensen | The Education of Sonny Carson | Sonny with a Chance (soundtrack) | Sonny Werblin | Sonny Throckmorton | Sonny Thompson | Sonny Smith (musician) | Sonny Smith | Sonny Rhodes | Sonny Nickle |
Loeb stated in an interview that he paralleled the Falcone family to that of the Corleone family: Falcone's power and wisdom akin to Vito Corleone, his son Alberto's personality and appearance that of Fredo's and his daughter Sofia's temper matching Sonny's.
On September 23, 1994, he teamed with Randy Rudd and defeated Sonny Corleone and Rob Austin to win the Canadian Rocky Mountain Wrestling Tag Team Championships.
Sollozzo, realizing that Vito's eldest son and Corleone family underboss Sonny (James Caan) would be more receptive to the heroin trade, decides to murder Vito.
In The Godfather movie, Sonny Corleone beat up Carlo on Pleasant Avenue.