According to the man himself, Ronnie James Dio's grandmother was the basis of throwing the horns.
8 years ago today. 5/16/10— Official Dio (@OfficialRJDio) May 16, 2018
Gone but never forgotten.
Please visit https://t.co/QbRCDNFnC3 to learn more about how the @DioCancerFund continues to support research & education that furthers early detection, prevention & treatment of prostate, colon & stomach cancers. RIP🤘🏼 pic.twitter.com/uaruYJRm0A