Simon Mark Thornton (born 17 March 1970, Brighton, England) is an English recording engineer, mix engineer, remixer, producer and musician.Thornton first worked at Esselle Beat studios in late 1980s, but later became the resident engineer for Norman Cook in all his various guises as Fatboy Slim, Freakpower, Pizzaman, and Mighty Dub Katz. Healso mastered and edited many other releases for the Skint Records label.