Brian Williams is a Welsh musician, sound designer, and composer. He has published music under the name Lustmord since the 1980s as well as individual album releases as Isolrubin BK, Arecibo, and Dread.
Williams began as a recording artist within the industrial genre, working with Chris & Cosey and SPK. Adopting the moniker Lustmord, he continued to employ the industrial aesthetic while employing reverb and similar effects to evoke an atmosphere of cosmic horror.