Several bands and artists use the moniker Defiler. 1) An American metalcore band from the rough streets of Castro Valley. The band labels themselves as "lifecore" 2) An American death industrial/dark ambient project that recently self-released their album "V.III" on CD (available from Malignant Records). Run by Gordon Lazarus operating out of southern California. Splits with Aderlating, Murderous Vision and others planned, as well as collaborations with members of Steel Hook Prosthesis and others.