rule 34 2016 5 fingers abs anatomically correct anatomically correct penis animal genitalia animal penis anthro balls beard biceps biped black balls black hair black horn black nipples black penis black tail brown background cloven hooves color swatch digital media artwork elbestia equine equine penis eyebrows facial hair front view fur goatee grey fur grey hooves hair hair ring hooves horn cock humanoid hands inner ear fluff long hair long penis looking at viewer male mammal medial ring model sheet multiple angles muscular muscular male nipples nude pecs penis pepsi fa rear view red eyes ricky kugler serratus side view signature simple background snout solo standing tattoo textured background unicorn unicorn horn vein veiny penis 2491859