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Play Holy Diver of Trivia: The Ultimate Dio Quiz

Holy Diver of Trivia: The Ultimate Dio Quiz

Test your heavy metal knowledge with our Ronnie James Dio quiz—discover fun facts, legendary moments, and see how well you know this iconic rock vocalist!

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Did You Know?
Ronnie James Dio was born Ronald James Padavona in Portsmouth, New Hampshire, and legally changed his surname to 'Dio' after a mobster named Johnny Dio, believing it had a powerful ring suitable for a rock performer.
Practice Questions
Q:Which band did Ronnie James Dio form before Rainbow?
A:He formed the band Elf.
Elf began as The Electric Elves and became Dio’s launching pad into major rock fame. The band’s blues-rock sound caught the attention of Deep Purple’s Ritchie Blackmore, leading to Rainbow’s formation.
Q:When did Ronnie James Dio join Black Sabbath?
A:He joined Black Sabbath in 1979.
After Ozzy Osbourne’s departure, Dio revitalized Black Sabbath’s sound, debuting on their iconic 1980 album *Heaven and Hell*, which introduced a more melodic yet powerful vocal approach.
RELATED CATEGORIES
Did You Know?
Ronnie James Dio co-founded the Hear 'n Aid project in 1985, a charity effort featuring over 40 metal artists including Rob Halford, Don Dokken, and members of Judas Priest, to raise funds for famine relief in Africa.
Last Updated: Jan 15, 2026
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