Rule 34 Dev - abs animal_genitalia anthro anthro_on_anthro balls biceps big_muscles big_penis butt claws ear_piercing eyewear flaccid foreskin fur genitals glasses group hair half-erect hooves horn humanoid_genitalia humanoid_penis interspecies male male/male muscular muscular_male nipples nude open_mouth pecs penis piercing pose presenting pubes retracted_foreskin sheath simple_background standing tattoo teeth thick_penis toe_claws sudonym enzi bovid bovine canid canine canis cattle mammal rhinoceros wolf monochrome sketch|1786814435