Rule 34 Dev - anthro battle_angel canine cum echidna fox fur hedgehog interspecies knuckles_the_echidna male male_only mammal monotreme multiple_males nude original_character sex side_view sonic_(series) sonic_3 sonic_the_hedgehog sonic_the_hedgehog_(series) sonic_the_hedgehog_3 standing tagme tail tails wings yaoi|559261496