Rule 34 Dev - abs anthro athletic barazoku belt biceps big_muscles biped blush bottomwear clothed clothing doctor eyewear facial_hair front_view glasses grey_body grey_eyes grey_skin grin hair horn looking_at_viewer male medical_instrument muscular muscular_anthro muscular_male nipples open_clothing open_shirt open_topwear pants pecs pose scientific_instrument shirt smile solo standing stethoscope text topless topwear undressing white_hair hentist hazardbarzard arty_mcmann mammal rhinoceros 2013 english_text|1366246315