Inducted into Philadelphia's prestigious "Walk of Fame" where he was one of the first 10 inductees to have a star on Broad Street.
Played drums by age six and, at 15, was a drummer for a Philly rock-and-roll combo group called "Rocco and His Saints" that also featured Frankie Avalon on trumpet.
Since 1985, he has toured on-and-off in the "Now and Then" nostalgia show with fellow former Philly teen idols Fabian and Frankie Avalon.
Unsold pilot: Starred with Dennis Crosby and Lindsay Crosby in "Swingin' Together", in which they played a struggling '60s rock group.
Bandleader Paul Whiteman, with whose band he worked, renamed him Rydell because he couldn't pronounce Ridarelli.