Butthole Surfers is an American rock band formed by singer Gibby Haynes and guitarist Paul Leary in San Antonio, Texas in 1981. The band has had numerous personnel changes, but its core lineup of Haynes, Leary, and drummer King Coffey has been consistent since 1983. Teresa Nervosa served as second drummer from 1983 to 1985, 1986 to 1989, and 2009. The band has also employed a variety of bass players, most notably Jeff Pinkus.