Rule 34 Dev - 4_fingers alpha_channel balls belly_button blush boxtop caprine cartoon_network chi_chi erection fur goat humanoid_penis male male_only mammal miracle_star navel nipples one_eye_closed open_mouth partially_retracted_foreskin penis pink_nose simple_background tan_fur the_amazing_world_of_gumball transparent_background uncut|2537500600