Today marks the 50th birthday of one of the foremost experts and advocates of heavy metal music and the host of VH1 Classic‘s That Metal Show, the one and only Eddie Trunk. Whether he’s interviewing the biggest names in rock or sparring with co-hosts Jim Florentine and Don Jamieson over his favorite UFO album, there’s no doubt Eddie lives, breathes, eats, and sleeps hard rock and heavy metal. He’s such an expert that fans line up to try and best him with arcane metal trivia in the ‘Stump The Trunk’ segment each TMS episode. In celebration of Eddie turning the big 5-0, we’re happy to share with you some of the greatest ‘Stump The Trunk’ moments in That Metal Show history. Marvel as Eddie takes on all challengers, including members of some of metal’s greatest bands, and be sure to leave your birthday wishes for him in the comments section below.