• The Vegas Kings (1957-1958)
• Ronnie and the Rumblers
• Ronnie and the Red Caps (1958-1961)
• Ronnie Dio and the Prophets (1961-1967)
• The Electric Elves
• The Elves
• Elf (1971-1976)
• Rainbow (1974-1979)
• Black Sabbath (1979-1983; 1991-1992)
• Dio (1982-1991, 1993-present)

[From Wikipedia, the free encyclopedia]