You've probably all seen Metallica's classic 'Guitar Hero' commercial and that Best Buy ad starring Ozzy Osbourne, but here are 10 hilarious heavy metal-themed commercials that you may not have had the awesome pleasure of viewing. From big-budget national advertisements to lo-fi, public access ads to a seemingly wasted Axl and Slash shilling a magazine, heavy metal music has made its mark on advertising throughout the years. So, get your devil horns ready and check out Loudwire's following list of the 10 Funniest Metal Commercials: