Psyclon Nine is a musical group formed in 1999 and originally from San Francisco, California, United States. The band currently resides in Hollywood, California, United States and is led by vocalist Marshall Goppert under the stage name Nero Bellum. While their early efforts are generally categorized as aggrotech, later releases incorporated a disparate set of musical and aesthetic influences, notably black metal and industrial metal. They belonged to the so-called "second wave" of American harsh ebm