Douglas "Doug" Killmer (July 18, 1947 – August 29, 2005) was an American blues and rock bass guitarist active from the 1960s to the late 1990s. He is sometimes credited as Douglas Kilmer or Doug Kilmer. He is best remembered for playing the bass line on Norman Greenbaum's 1970 hit "Spirit in the Sky" (number 333 on Rolling Stone 's list of 500 greatest songs of all time).