Rule 34 Dev - 1boy 2018 4_fingers 4_toes all_fours alpha_channel alternate_species anatomically_correct anatomically_correct_penis animal_genitalia ankle_tuft beast_sergal blue_eyes butt_fluff cheek_tuft chest_tuft claws cocky conditional_dnp confident dipstick_tail dog-bone ear_tuft feral flat_colors full-length_portrait fur gradient_background grey_fur hi_res kel knot looking_aside looking_at_viewer male male_only mammal mane markings multicolored_fur multicolored_tail nude paws penis portrait pose proud quadruped sergal sheath shoulder_tuft signature simple_background snout solo standing step_pose tail_tuft tan_fur textured_background thick_penis toe_claws toes toony transparent_background tuft two_tone_fur walking yellow_markings|2974015088