Once known as The Cult Brothers, The X Brothers are:

Joe Bouchard - The leader and producer - former bass player and founding member of Blue Oyster Cult - plays guitar, keyboards, sings most leads.

Billy Hilfiger - Lead and rhythm guitarist, singer - also a member of The Brain Surgeons.

Andy Hilfiger - Bassist, singer - brother of Billy - fashion consultant for the group.

Jimmy Cacala - Drummer, singer - resident wildman - social activities director.