Where did the "devil horns" hand gesture originate? Who invented it? The sign of the horns, also known as devil horns or metal horns, is ubiquitous in heavy metal, hard rock and beyond.

Ronnie James Dio Heavy metal star Ronnie James Dio, who died last year of cancer, most often gets credit for making the hand sign synonymous with rock music. When Ozzy Osbourne left (or was kicked ...