C. Spoerri, C. Spörri, C.H.R.I.S.T.O.P.E.R S., Christoph Spörri, Christopher, Christopher S, Christopher S_, Christopher S*, Christopher Spoerri, Christopher Spörri, Christopher's, DJ Christopher, DJ Christopher S.
Christopher Alan "Tricky" Stewart (born January 4, 1974) is an American songwriter, music producer, music publisher, executive producer, recording industry executive and recording studio owner. He is also a former president of A&R at Epic Records.