FURVERT!

5:4 alien all_fours anus arthropod backsack balls ben300 big_butt black_penis blizzard_entertainment brown_background butt clenched_teeth digitigrade erection feral genitals glistening happy insect looking_at_viewer looking_back male orange_eyes penis presenting presenting_hindquarters quadruped sharp_teeth simple_background smile solo spikes starcraft tail tapering_penis teeth wings zerg zergling