rule 34 2023 alternate species anthro anus artist logo ass balls black body black fur blue background canid canine dipstick tail eyewear eyewear on head fox fur genitals gloves marking goggles goggles on head leg markings legs up logo male mammal markings penis pichu90 presenting presenting anus presenting hindquarters scarf simple background socks marking solo sparks pichu tail tail markings white body white fur white scarf yellow body yellow fur 9115639