JS Clayden (born Jonathan Seth Clayden, 24 March 1971, London, England) is a British singer and songwriter. He is best known as the frontman of the band Pitchshifter. He moved to several towns in the United Kingdom, settling in Nottingham, England for a number of years before emigrating to Los Angeles, California. He's also the brother of Pitchshifter's bassist, Mark Clayden.