Charles Alexander Clouser (born June 28, 1963, in Hanover, New Hampshire) is a musician whose activities include playing Keyboard, synth, Theremin, and drums. He is known for his abilities in music programming, engineering, mixing, and remixing. He was a member of the band Nine Inch Nails 1994–2000. Before he was in Nine Inch Nails, he was in the alternative band Burning Retna with former L.A. Guns guitarist Mick Cripps and fellow Nothing Records worker Sean Beavan. Clouser also was a member of the band 9 Ways To Sunday who released a self titled album in 1990. Clouser has remixed bands such as Deftones, White Zombie, Rob Zombie, Nine Inch Nails, Marilyn Manson, Rammstein, Prong, Killing Joke, Type O Negative, Zilch, Schwein, Collide, Real McCoy, 12 Rounds, Foetus, Del tha Funkee Homosapien, Deltron 3030, Meat Beat Manifesto, SplatterCell, David Bowie, Puff Daddy, Howard Stern, Everlast, Snake River Conspiracy, A Perfect Circle, Stellar, Vixtrola, Reach 454, FAT, Die Krupps, Apartment 26, Fuel, John Frusciante, Puscifer, Belinda Carlisle, Radiator, Alec Empire, Tino Corp., Esthero, and Black Light Burns.   Wikipedia