There are three artists going by the name Monstrosity:
1. Monstrosity is a Floridian Death Metal band from the USA. The band formed in 1990 by Lee Harrison (drummer) and George "Corpsegrinder" Fisher, vocalist.
One of the first innovative bands to arise from the Florida-Death-Metal scene. George "Corpsegrinder" Fisher performed vocal duties in this band before joining Cannibal Corpse. Monstrosity blend an extreme sense of dissonant technicality with aggressive riffing and vocals that paint images of imminent doom.