Singer Frankie Laine is a legendary American singer and songwriter who had a career spanning over 70 years. He was known for his distinctive vocal style, which earned him the nickname 'Mr. Rhythm'. Frankie Valli is an American singer, best known as the frontman of the Four Seasons. He is also known for his falsetto singing voice. Frankie AVALON is an American actor and singer who had a successful career in the 1950s and 1960s. He is best known for his hit single 'VENUS' and his role in the movie Grease.