Bobby Rydell was born Robert Ridarelli in Philadelphia. It was his father who encouraged him to pursue a career in show business. At the age of four, Rydell would sit in front of the TV and impersonate such performers as Milton Berle, Louis Prima and Johnny Ray. He also admired drummer Gene Krupa and began playing the drums at the age of six. At the age of seven and with his father's encouragement, Rydell began performing in nightclubs in Philadelphia.