Illegal Kids Line Up : Mike Donnelly [Programming & Production], Cormac Brady [Programming & Production]
Super Extra Bonus Party [Mark 1] Line Up : Mike Donnelly [Programming & Production], Cormac Brady [Programming & Production], Stephen Fahey [Bass Guitar, Guitar & Trumpet]
The Isohels Line Up : Claire Prendergast [Vocals & Bass Guitar], Sadbh O'Sullivan [Guitar, Bass Guitar, Saxophone & Vocals], Gill Prenderville [Guitar & Bass Guitar], Sal Healy [Keyboards & Bass Guitar], Mo Kelly [Drums], Gavin Elsted [Drums], Brian Farrell [Drums], Eamonn Hoban [Drums]
Super Extra Bonus Party [Mark 2] Line Up : Mike Donnelly [Programming & Production], Cormac Brady [Programming & Production], Stephen Fahey [Bass Guitar, Guitar & Trumpet], Gavin Elsted [Guitar & Drums], Rodrigo Teles [MC]
Belljar Line Up : Forrest Covington [Vocals], Anthony Boland [Guitar], Stephen Conlan [Guitar], Gavin Elsted [Drums], Alan Payne [Bass Guitar]
Super Extra Bonus Party [Mark 3] Line Up : Mike Donnelly [Programming & Production], Cormac Brady [Programming & Production], Stephen Fahey [Bass Guitar, Guitar & Trumpet], Gavin Elsted [Guitar & Drums], Steven Conlan [Guitar], Cons Henry [Drums]

After the release of the Super Extra Bonus Party album, Steven Conlan and Cons Henry join the band
Super Extra Bonus Party [Mark 4] Line Up : Mike Donnelly [Programming & Production], Cormac Brady [Programming & Production], Stephen Fahey [Bass Guitar, Guitar & Trumpet], Gavin Elsted [Guitar & Drums], Steven Conlan [Guitar], Gary Clarke [Drums]

In late 2007, Cons Henry left the band and was replaced by Gary Clarke
Band On An Island Line Up : Ciaran Dwyer [Vocals & Guitar], Gavin Elsted [Guitar], Andrew O'Donnell [Bass Guitar], Robert Mockler [Drums], Eimear Dempsey [Violin]
Adult Rock Line Up : Gavin Elsted [Instrumentation]
We Are Losers Line Up : Gavin Elsted [Vocals & Guitar], Bronwyn Murphy-White [Bass Guitar], Steve Conlan [Lead Guitar], Gary Clarke [Drums]