JARVIS COCKER   Jarvis Branson Cocker (born 19 September 1963, in Sheffield, England) is an English musician, best known for fronting the band Pulp. Jarvis came from a musical family (his father and uncle were musicians). Fellow Sheffield musician Joe Cocker was a friend of the family and babysat for Jarvis on occasions, though they are not related. Pulp Jarvis founded "Arabacus Pulp" at the age of fifteen while he was still at The City School. After numerous line