James Havoc is the pen-name of James Williamson, a British extreme writer of esoteric horror and erotica from Plymouth. Moving to Brighton in later life, he made friends with Alan McGee of Creation Records and became chief editor of Creation Books, Creation Records’ book division. McGee has commented on Williamson/Havoc in his autobiography, Creation Stories (2013):
Williamson / Havoc also lead his own musical group, The Church of Raism, with a Gothic diva Rose McDowall. The Church of Raism released an album on Creation, and a track on a compilation American Pensioners On Ecstasy.