Jackie-O Motherfucker is an American experimental rock group founded in Portland, Oregon, United States in 1994. Jackie-O Motherfucker began as a duo consisting of multi-instrumentalist Tom Greenwood and saxophonist Nester Bucket. The group now has more than twenty rotating members drawn from the U.S. experimental scene, including members of Evolutionary Jass Band,Gang Gang Dance, Set Fire to Flames, Heavy Winged, and Portland artists Nudge, Eternal Tapestry