Rule 34 Dev - 2016 2boys alpha_channel ambiguous_penetration animal_genitalia animal_penis black_skin blitzle blue_eyes canine canine_penis equine equine_penis feral feral_on_feral furry gay green_penis green_skin green_tongue hair hooves horsecock interspecies knot larger_male male male_only mammal mohawk nintendo nude penetration penis pokemon pokemon_bw pokemon_sm pokemon_xy sheath simple_background size_difference smaller_male teeth testicles tongue tongue_out transparent_background video_games white_eyes white_hair white_skin yaoi yellow_sclera yoshimister_(artist) zebra zygarde zygarde_10_form|2293225336