GWAR is:

Oderus Urunges: Vocals
Gusher Jizmak: drums
Beefcake "the Mighty": Bass
Balsac "The Jaws of death": Lead Guitar
Flattus Maximus: Guitar, farts
Scroda Moon: Mystic
Slymestra Hymen: Dancing, Security
Sleazy P. Martini: Manager, holder of the $
Sexecutioner: Second Security, orifices (left after "Carnival of Chaos")
Nippleus Erectus: Drummer (Dissolved after doing acid after "Hell-o")