Rule 34 Dev - 2008 anthro boxing_gloves boxing_ring canine echidna fox front_view fur hedgehog interspecies knuckles_the_echidna male male_only mammal monochrome multiple_males neokat penis sonic_(series) sonic_3 sonic_the_hedgehog sonic_the_hedgehog_(series) sonic_the_hedgehog_3 standing tagme tails text|357848272