Full name: Vivian Patrick Campbell
Birthdate: August 25, 1962
Birthplace: Belfast, Northern Ireland
Marital status: married to Julie
Children: Lily Rose & Una Marigold
Current residence: Los Angeles
Instrument: guitars/vocals
Previous/other projects & bands: Sweet Savage, Dio, Whitesnake, Riverdogs, Shadow King, Clock

Vivian was asked to join Def Leppard in 1992, to fill the spot that Steve Clark left after his tragic death in 1991. After being officially introduced at the Freddy Mercury AIDS-awareness gig at Wembley Stadium, his first job was to accompany the band on their "ADRENALIZE"-tours in 1992 and 1993.