rule 34 absurd res animal genitalia anthro blue eyes blue sclera brown body brown claws claws cloaca curled tail diamond pattern diamondback rattlesnake fan character fangs fingers forked tongue full length portrait genitals grey body hi res living tail looking forward male muscular penis pink penis pink tongue pit viper portrait pupils rattle anatomy rattlesnake red background reptile scales scalie signature simple background slit slit pupils snake snake tail solo tan body teeth tongue toracanix unusual anatomy unusual genitalia unusual penis unusual tail viper species white body 6204772