rule 34 abraham frozentrovador abs animal genitalia ass balls big balls big butt black glans black penis black sclera bovid caprine caprine demon countershade balls countershade butt countershade genitalia countershade hands countershade penis countershading dark body dark fur demon digital media artwork facial piercing flaccid front view frozentrovador fully sheathed fur fur markings genitals glans green eyes grey background grey body grey fur hair hooves horn horn jewelry horn ring male mammal markings multiple angles navel nose piercing nose ring pecs penis piercing purple body purple fur rear view reverse countershading ring jewelry sheath sheep sheep demon simple background solo spade tail thick thighs white hair wide hips wings 5380904