Mark Volman, aka Flo, aka The Phlorescent Leech, born 4/19/1947 in Los Angeles, CA was - along with Howard Kaylan - a founding member of the musical group THE TURTLES. Upon disbanding that group, Mark & Howard joined The Mothers. Volman provided vocal for Chunga's Revenge, Fillmore East, June 1971, Frank Zappa's 200 Motels, Just Another Band From L.A., You Can't Do That On Stage Anymore Vol. 1, You Can't Do That On Stage Anymore Vol. 3, You Can't Do That On Stage Anymore Vol. 6, and Playground Psychotics; also for the Beat The Boots series disks Freaks & Motherfuckers (BTB), Disconnected Synapses (BTB), Tengo Na Minchia Tanta (BTB), At The Circus (BTB), & Swiss Cheese/Fire! (BTB). Mark can be seen in the Zappa movies 200 Motels (The Film), Video From Hell, and The True Story Of 200 Motels.
Around the time of Frank's death, Mark and his girlfriend were running a health food store in Burbank, CA called "Sprouting Wings".