Vivian Patrick Campbell (born 25 August 1962) is a Northern Irish rock guitarist who is a member of Def Leppard and was, from May 2010 to November 2011, a member of Thin Lizzy. Prior to joining Def Leppard in April 1992, he had been a member of Whitesnake, Sweet Savage, Trinity, Riverdogs, and Shadow King. He first rose to prominence in 1982 as the original guitarist of the band Dio. Description above from the Wikipedia article Vivian Campbell, licensed under CC-BY-SA, full list of contributors on Wikipedia.