NOFX /ˌnoʊɛfˈɛks/ is an American punk rock band from Los Angeles, California. The band was formed in 1983 by vocalist/bassist Fat Mike and guitarist Eric Melvin. Drummer Erik Sandin joined NOFX shortly after. In 1991, El Hefe joined to play lead guitar and trumpet, rounding out the current line-up. The band rose to popularity with their fifth studio album Punk in Drublic (1994).