There is more than one author called Keith Morris. See also Keith Morris

From Wikipedia: Keith Morris is an American singer and songwriter known for his role as frontman of the hardcore punk bands Black Flag, Circle Jerks, and Off!. Born and raised in Hermosa Beach, California, he formed Black Flag at the age of 21 with guitarist Greg Ginn and performed on the band's 1979 debut EP Nervous Breakdown. Shortly after leaving Black Flag in 1979, he formed the Circle Jerks with guitarist Greg Hetson; the band released seven albums between 1980 and 1995 and are currently on hiatus. In 2009 Morris formed the supergroup Off! with guitarist Dimitri Coats, bassist Steven Shane McDonald, and drummer Mario Rubalcaba. Morris has also appeared as a guest vocalist on several albums by other artists. In 2013, Keith Morris, with other former Black Flag members Chuck Dukowski, Dez Cadena and Bill Stevenson, with the addition of Descendents member Stephen Egerton, created FLAG as an offshoot of Black Flag. As of now, they are only touring.