Eels (often typeset as eels or EELS) is an American rock band, formed in California in 1995 by singer/songwriter and multi-instrumentalist Mark Oliver Everett, known by the stage name E. Band members have changed across the years, both in the studio and on stage, making Everett the only official member for most of the band’s work. Eels’ music is often filled with themes about family, death, and lost love. Since 1996, Eels has released twelve studio albums, seven of which charted in the Billboard 200.