rule 34 alligator alligatorid anthro balls blonde hair bratty undertale breasts catty undertale clothing crocodilian digital media artwork domestic cat erection felid feline felis female fur genitals group hair hi res human human on anthro interspecies male malefemale mammal money nipples nude open mouth penis prostitution purple body purple fur pussy reptile scalie simple background tail trio undertale undertale series undressing wolfbaloo 8340938