rule 34 2017 anthro ass biceps biped black claws black fur black markings black nose black penis black tail cheek tuft claws countershade face countershade torso countershading digital media artwork dripping erection eyebrows fur glans green eyes grey background grey fur grey tail grin half length portrait head tuft hi res humanoid penis ike zimmerman knuxlight looking at viewer male male only mammal markings mask marking multicolored fur multicolored tail muscular muscular male nude penis pepsi fa portrait precum raccoon ringed tail shaded side view simple background smile solo teeth thumbs up tuft two tone tail white countershading white fur 2504049