L.S.U. (Lifesavers Underground) (alias LSU, L.S. Underground, LifeSavers, L.S.U.) war eines von vielen Michael Knott- Projekten. Die Band wurde 1986 gegründet und kombinierte Elemente eines früheren Knott-Projekts mit dem Namen Idle Lovell und LSU's sonniger Alter Ego Lifesavers.
Lifesavers Underground kombinierte Elemente aus Punk, Post Punk, Funk, Hard Rock und anderen Musikformen.

Diskografie
Us Kids - The Lifesavors, 1981 (MRC)
Dream Life - The Lifesavors, 1983 (Refuge)
A Kiss of Life - Lifesavers, 1986 (Frontline)
Shaded Pain - Lifesavers Underground, 1987 (Frontline Records)
Wakin' Up The Dead - Lifesavers Underground, 1989 (Blonde Vinyl)
This Is The Healing - Lifesavers Underground, 1991 (Blonde Vinyl), Review: Cornerstone
Poplife - Lifesavers, 1991 (Blonde Vinyl)
The Grape Prophet - L.S. Underground, 1992 (Blonde Vinyl)
Cash In Chaos: World Tour - LSU, 1993 (Siren Records)
Grace Shaker - LSU, 1994 (Alarma Records)
Huntington Beach - Lifesavers, 1995 (Brainstorm Artists, Intl), Review: HM Magazine
Bring It Down Now - LSU, 1995 (Gray Dot)
Dogfish Jones - LSU, 1998 (Light)
Definitive Collection - LSU (and solo Michael Knott), 1998 (KMG)
Live At Cornerstone '91 and '93, Volumes 1 and 2 - LSU, 2000
PTSD - L.S. Underground, 2010 (Available at bandcamp.com)