If you’re a hard rock/heavy metal fan, you undoubtedly know the name Ronnie James Dio. Somewhere along the line, your ears have crossed paths with Elf, Rainbow, Black Sabbath, and/or Dio. If you’re not a heavy metal fan, you’ve probably, at the very least, heard of him. Somewhere along the line, there’s a good chance you’ve seen some yahoo walking down the street with a Dio patch on her/his battle jacket, or have heard a snippet of something from one of the Sabbath albums Dio fronted, or any number of the hits from the Dio albums, even if it’s been via drunken and shitty karaoke renditions. On a broader cultural note, everyone, heavy metal/hard rock fan or not included, knows about and has seen the index-and-pinky-finger ‘devil horns’ salute. In fact, I’d bet a bunch of money I don’t have ...