Rule 34 Dev - abs anatid anseriform avian beak big_muscles big_penis bird black black_ears black_eyes black_nose blue_hat blue_headwear body_horror canid canine canis cock_transformation collar disney dog domestic_dog donald_duck duck duo erection genitals green_collar hat huge_cock living_penis male male_focus male_only mammal meme muscular muscular_male nipples nude open_mouth open_smile pecs penis penis_transformation penis_with_face pixiv_id_655917 pluto sentient_penis thick_penis tongue tongue_out transformation unusual_genitalia unusual_penis vein veins veiny veiny_penis what yellow_penis|6952136152