The Muffs were an American punk rock band founded in Southern California in 1991. The band was fronted by singer and guitarist Kim Shattuck, noted for her distinctive raspy vocal style. The Muffs' music combined elements of pop and punk, characterized by catchy melodies and aggressive guitar riffs. Their influential works include their hit single "Sad Tomorrow" and contributions to various film soundtracks. Shattuck's influence as a female frontwoman in the punk scene has been recognized as significant in the genre's history.