Born in Rhode Island, Sonny has an identical twin brother Danny and an older brother Frankie. The boys can first be seen on an episode of Man v. Food: Providence (2011) with Adam Richman, from the summer of 2011. Their first role came at age five, playing Danny Rosenfeld in American Hustle (2013) - son of Christian Bale and Jennifer Lawrence. It was the first thing Sonny and Danny ever auditioned for. At home, they can be found staying active in swim, gymnastics and wrestling, and running around with their dog Captain America.