rule 34 2019 4 toes animal genitalia animal penis antlers asian mythology black claws claws cloaca cloacal penis diphallism dragon east asian mythology eastern dragon english text eyewear feral fur gaping mouth genital slit genitals glasses green body green fur hemipenes horizontal diphallism horn kiva male model sheet multi genitalia multi penis mythology open mouth penis scales sharp teeth signature slit solo teeth text toes yellow body yellow scales 4338244