Dio is a heavy metal band led by vocalist Ronnie James Dio, who formed it in October 1982 after leaving Black Sabbath. In an interview, available on the special edition re-release of Holy Diver, Dio states that he never intended to begin a solo career. His intention was to form a new band with fellow former Black Sabbath member drummer Vinny Appice. Naming the band Dio made sense from a commercial standpoint, as the name was already well-known at that time. Dio in Italian means "God."

There are two bands called Dio 1) Dio is a heavy metal band led by vocalist Dio , ex- Ronnie and the Prophets , Elf and Rainbow founding member, born in Cortland, New York, who formed it in October 1982 after leaving Black Sabbath . In addition to Ronnie, Vivian Campbell played guitar; with Jimmy Bain on bass and Vinny Appice on drums. In May 1983 they released their debut album “Holy Diver,” on which Ronnie sang and played keyboards. To avoid having the vocalist stuck behind a keyboard in c