Kimberley Ann "Kim" Deal (born June 10, 1961) is an American singer, songwriter and musician, best known as the former bassist and backup vocalist of the alternative rock band Pixies, and the lead vocalist and rhythm guitarist for The Breeders. Deal joined Pixies in January 1986 as the band's bassist, adopting the stage name Mrs. John Murphy for the albums Come on Pilgrim and Surfer Rosa. Following Doolittle and Pixies' hiatus, she formed The Breeders with Tanya Donelly, Josephine Wiggs and later introduced her identical twin sister Kelley Deal. Pixies broke up in early 1993.