Swamp Thing is a New Zealand blues rock duo who define themselves as a "two-man blues roots juggernaut from New Zealand", and consist of Michael Barker (formerly of the John Butler Trio) and Grant Haua. Band members Michael Barker - Drums, percussion, vocals Grant Haua - Guitar, vocals Discography Albums References External links Swamp Thing on Muzic.net.nz Swamp Thing on Amplifier.co.nz Swamp Thing Facebook page administered by Michael Barker Swamp Thing YouTube page administered by Michael Barker New Zealand blues rock musical groups Musical groups established in 2010 2010 establishments in New Zealand