Rule 34 Dev - 1boy 2015 4_toes 5_fingers animal_ears animal_humanoid animal_penis anthro anthro_only blue_background blue_eyes buff comic erection feline fur furry furry_ears furry_only green_hair grey_fur leopard male male_only mammal mccrazy metal_penis muscles muscular muscular_male no_humans no_nipples nude nude_male orange_background penis robot robotization tentacle transformation|3961955920