3:4animal_genitaliaanimal_penisanthroballsbig_penisbovidcanidcaninecanine_genitaliacanine_peniscaprinechartclosed_smilecomparingcomparing_peniscyberneticsdigital_media_(artwork)domestic_sheeperectionfennec_foxfoxfurgenitalsgroupgroup_nudityhairhi_resizzy_(theprotoboye)knotmachinemalemammalmeasurementsmouth_closednudepenispenis_chartpenis_lineuppenis_size_differencepresentingprotogenreboot_(senor_bulbasaur)rush_(protogen)screenscreen_facesheepsimple_backgroundsmilesmugsmug_grinsoup_(dasoupguy)tan_bodytexttheprotoboyetranslatedtrue_foxunavailable_at_sourceveinveiny_peniswhite_bodywhite_fur