Rule 34 Dev - 3d_(artwork) anthro balls big_balls big_penis digital_media_(artwork) eulipotyphlan genitals green_hill_zone hedgehog male male_only mammal muscular muscular_male penis pinup pose sega solo sonic_(series) sonic_the_hedgehog sonic_the_hedgehog_(series) source_filmmaker vein veiny_penis vulrik_(artist)|7489020872