2015 absurd_res accessory alphys ambiguous_gender animated_skeleton anthro aquatic arachnid armless armor arthropod asgore_dreemurr beverage bone boss_monster_(undertale) bovid bow_(feature) bow_accessory bow_ribbon brown_hair canid canine canis caprine clothed clothed_human clothing container cup domestic_dog elemental_creature empty_eyes eyes_closed eyewear fangs female feral fire fish flora_fauna flower flowey_the_flower food footwear frisk_(undertale) fur ghost glasses gloves grass greater_dog grey_hair group hair hair_accessory hair_bow hair_ribbon handwear happy heart_symbol hi_res holding_object hoodie horn human humanoid lesser_dog light lizard long_ears long_image machine male mammal melee_weapon mettaton mettaton_ex monster_kid muffet multi_arm multi_eye multi_limb multiple_images napstablook nyapapa open_mouth papyrus_(undertale) photoshop_flowey pigtails plant polearm reptile ribbons robe robot sans_(undertale) scales scalie shoes short shrub signature silhouette skeleton sky slippers smile snow solo soul soul_(undertale) sparkles spear spider spider_web spikes spirit string sunflower tall_image tea tea_cup teapot teeth tem temmie_(undertale) tongue tongue_out topwear toriel tree trio twin_bows twin_hair_bows undead undertale undertale_(series) undyne weapon white_body white_fur
ambiguous_gender animated_skeleton anthro armor asriel_dreemurr barefoot black_hair blush bone boss_monster_(undertale) bovid brown_hair butt caprine clothing cosplay feet female flower frisk_(undertale) fur goat green_eyes group hair heart_symbol horn human kemono laugh long_ears machine male mammal mettaton mettaton_ex papyrus_(undertale) plant rear_view rikose robot sans_(undertale) shirt simple_background skeleton smile speech_bubble topwear toriel undead undertale undertale_(series) white_body white_fur young young_ambiguous young_anthro young_human young_male
ambiguous_gender angry clothed clothing digital_drawing_(artwork) digital_media_(artwork) duo emotional_damage english_text exclamation_point eyes_always_closed eyes_closed french_taunter frisk_(undertale) guide_lines hair hair_over_eye human humanoid humor insult line_art machine mammal mettaton mettaton_ex monochrome monty_python monty_python_and_the_holy_grail not_furry one_eye_obstructed open_mouth robot shocked simple_background sketch text thesinnabun undertale undertale_(series) white_background yelling
2015 4_fingers android black_hair clothing fingers footwear grin hair hair_over_eye hi_res high_heels humanoid inviting looking_at_viewer machine mettaton mettaton_ex not_furry one_eye_obstructed outstretched_hand robot robot_humanoid sepiaflux shoes smile solo undertale undertale_(series)
2016 disney english_text gesture hand_gesture hi_res humor image_macro impact_(font) just_right machine male meme mettaton mettaton_ex not_furry ok_sign pacha_(the_emperor's_new_groove) reaction_image robot solo text the_emperor's_new_groove undertale undertale_(series) unknown_artist
alternate_universe humanoid korean_text male mettaton_(underfell) mettaton_ex_(underfell) not_furry pink_eyes red_eyes solo sungho text underfell undertale undertale_(series)
3:4 alternate_universe brown_eyes english_text hi_res humanoid male mettaton mettaton_ex not_furry outertale solo sungho text undertale undertale_(series)
2:1 aquatic clothed clothing duo english_text female fish gloves hair handwear looking_at_viewer male mettaton mettaton_ex pink_eyes ponytail red_hair sungho text undertale undertale_(series) undyne
ambiguous_gender annoying_dog_(undertale) canid canine canis chibi domestic_dog electronics english_text female feral ghost group headphones humanoid mad_dummy male mammal mettaton mettaton_ex napstablook pink_background pink_eyes shyren simple_background sparkles spirit sungho text undertale undertale_(series)
1:1 animated_skeleton bone clothing duo fangs gaster gloves hair hair_over_eye handwear humanoid machine male mettaton mettaton_ex not_furry one_eye_obstructed pink_eyes robot skeleton sungho teeth undead undertale undertale_(series)
clothed clothing digital_media_(artwork) duo femboy ghost gloves hair handwear happy humanoid machine male mettaton mettaton_ex monochrome monster not_furry open_mouth pink_eyes robot smile spirit sungho undertale undertale_(series)
4:5 clothing english_text fangs gloves handwear humanoid looking_at_viewer machine male mettaton mettaton_ex monochrome robot sungho teeth text undertale undertale_(series)
ambiguous_gender blush clothing duo eyes_closed femboy ghost heart_symbol male mettaton mettaton_ex napstablook not_furry sparkles sparkling_body sparkling_clothing spirit sungho undertale undertale_(series)
anthro burgerpants clothed clothing domestic_cat duo felid feline felis korean_text male mammal mettaton mettaton_ex pink_eyes simple_background sungho text translated undertale undertale_(series)
animated_skeleton blush bone comic dialogue english_text female frisk_(undertale) heart_symbol human kissing machine male male/male mammal mettaton mettaton_ex multiple_scenes not_furry nsfwshamecave onomatopoeia papyrus_(undertale) robot skeleton sound_effects speech_bubble text tongue tongue_out undead undertale undertale_(series)
angry animated_skeleton blush bone clothing comic dialogue english_text exclamation_point frisk_(undertale) heart_symbol human machine male mammal mettaton mettaton_ex not_furry nsfwshamecave robot sans_(undertale) skeleton text undead undertale undertale_(series)
animated_skeleton bdsm blush bodily_fluids bondage bone bound collar dialogue duo ellipsis english_text erection genitals grey_background heart_eyes heart_symbol humanoid imminent_sex leash machine male male/male mettaton mettaton_ex not_furry nsfwshamecave papyrus_(undertale) penis riding_crop robot simple_background skeleton speech_bubble submissive submissive_male sweat text undead undertale undertale_(series) whip
abstract_background ambiguous_gender android black_hair border disco_ball hair heart_symbol humanoid looking_down machine meammy mettaton mettaton_ex not_furry open_mouth robot robot_humanoid smile solo undertale undertale_(series) watermark
andromorph blush bodily_fluids crossgender digital_media_(artwork) drag_(fashion) drag_queen drooling english_text grinding hair hi_res hotlegmeme humanoid intersex machine masturbation mettaton mettaton_ex mta_crossgender mti_crossgender not_furry pillow pillow_humping robot saliva simple_background solo text undertale undertale_(series) white_background
andromorph andromorph/male andromorph_penetrated blush bone clothing dress duo erection genitals glistening hair hotlegmeme humanoid intersex intersex/male intersex_penetrated machine male male_penetrating male_penetrating_andromorph male_penetrating_intersex mettaton mettaton_ex not_furry papyrus_(undertale) penetration penis pillow robot sex skeleton tongue tongue_out undertale undertale_(series) vaginal vulva
2016 anus areola armless balls big_breasts big_butt breasts butt butt_grab canid canine canis crossgender domestic_dog erect_nipples erection female frisk_(undertale) furanh genitals ghost glistening greater_dog group hand_on_butt heart_eyes heart_symbol hi_res human humanoid lesser_dog looking_at_viewer looking_back machine male mammal mettaton mettaton_ex monster monster_kid napstablook nipples not_furry penetration penis rear_view robot sex spirit undertale undertale_(series) vaginal vaginal_penetration vegetoid vulkin vulva
2016 alphys anthro aquatic belly bite blush bodily_fluids bow_(feature) bow_tie breast_grab breasts butt claws clothing coat dialogue duo electronics embarrassed eye_patch eyewear female female/female fish fisting genital_fluids genitals glasses glistening grabbing_sheets hair hand_on_breast heart_symbol humanoid humanoid_on_anthro japanese_text kneeling lab_coat lizard machine mettaton mettaton_ex microphone nam nipple_fetish nipple_pinch nipple_play nude open_mouth penetration pinch red_hair reptile robot saliva scalie sex simple_background slightly_chubby speech_bubble text tongue topwear translated undertale undertale_(series) undyne vaginal vaginal_fisting vaginal_fluids vaginal_penetration vulva white_background
2016 animal_humanoid animated_skeleton aquatic aquatic_humanoid asgore_dreemurr blonde_hair bone boss_monster_(undertale) bovid caprine eye_patch eyewear facial_hair female fish fish_humanoid frisk_(undertale) hair horn human humanoid machine male mammal mettaton mettaton_ex papyrus_(undertale) photoshop_flowey rigorigo robot sans_(undertale) skeleton undead undertale undertale_(series) undyne
blush hair hair_over_eye humanoid kjyukinix machine metal mettaton mettaton_ex not_furry one_eye_obstructed open_mouth robot solo teeth tongue undertale undertale_(series)
2016 ;p alphys amalgamate ambiguous_gender android animated_skeleton anthro aquatic armor asgore_dreemurr asriel_dreemurr avian beard beverage bird blaster blonde_hair blue_body blue_skin bodily_fluids bone boss_monster_(undertale) bovid canid canine canis cape caprine cellphone chara_(undertale) clothing coffin container crown cup deity dessert dinosaur domestic_dog drooling electronics endogeny evil_grin eye_patch eyewear facial_hair female fire fish flowey_the_flower food footwear frisk_(undertale) gaster_blaster gills glasses glistening goat group hair headgear heart_symbol hi_res hoodie horn hot_dog human humanoid knife lemon_bread lizard long_ears long_hair looking_at_viewer lynxgriffin machine magic_user male mammal melee_weapon memoryhead mettaton mettaton_ex mettaton_neo pastry phone photoshop_flowey pie polearm ponytail prehistoric_species reaper_bird reptile robe robot royalty saliva sans_(undertale) scalie shoes silhouette simple_background skeleton smile snowdrake's_mother soul spear tea tea_cup television topwear toriel undead undertale undertale_(series) undyne undyne_the_undying weapon white_background wings yellow_eyes young
2016 5:4 anal anal_penetration balls blush erection femboy gaiki genitals glistening grey_background hair humanoid machine male mettaton mettaton_ex not_furry open_mouth oral penetration penis robot simple_background solo soulplay tentacles translucent translucent_tentacles undertale undertale_(series)
absurd_res alternate_universe breasts crossgender demon female glistening hair hi_res humanoid lnemdave mammal membrane_(anatomy) membranous_wings mettaton mettaton_(underfell) mettaton_ex_(underfell) not_furry simple_background solo standing underfell undertale undertale_(series) wings
2016 4:3 ambiguous_gender anthro bente36 blue_clothing blue_sweater blue_topwear chara_(undertale) clothing english_text female frisk_(undertale) glistening green_clothing green_sweater green_topwear group human machine male mammal mettaton mettaton_ex pattern_clothing pattern_sweater pattern_topwear robot striped_clothing striped_sweater striped_topwear stripes sweater text topwear undertale undertale_(series)
4:5 android anthro asgore_dreemurr ball_gown beard beast_(disney) beauty_and_the_beast belle_(beauty_and_the_beast) boss_monster_(undertale) bovid caprine cosplay crossover dancing disney elemental_creature facial_hair flora_fauna flowey_the_flower group hi_res horn long_ears machine male male/male mammal mature_anthro mature_male mettaton mettaton_ex plant qubelord robot simple_background undertale undertale_(series)
anal anal_penetration animated anthro anus asgore_dreemurr balls beard blonde_hair bodily_fluids boss_monster_(undertale) bovid butt caprine crossgender cum cum_in_ass cum_inside dialogue duo english_text erection eyewear face_fucking faceless_character faceless_male facial_hair feet fellatio female female_penetrated flash foot_fetish foot_play footjob forced forced_oral full_nelson genital_fluids genitals glasses hair humanoid humanoid_on_anthro interactive irrumatio machine male male/female male_penetrating male_penetrating_female mammal mettaton mettaton_ex muscular muscular_male music nipples oral oral_penetration orgasm pecs penetration penile penis penis_in_mouth perineum robophilia robot sex sound text tvcomrade undertale undertale_(series) vulva
1:1 blush bodily_fluids bone crossgender cum cum_in_vagina cum_inside duo erection female female_penetrated genital_fluids genitals glistening hair humanoid machine male male/female male_penetrating male_penetrating_female mettaton mettaton_ex not_furry papyrus_(undertale) penetration penis robot sex skeleton smile undead undertale undertale_(series) vaginal vulva
absurd_res anthro balls bra breasts canid canine canis clothed clothing condom disney domestic_dog duo ear_piercing erection fellatio female female_focus female_penetrated genitals goof_troop hair hi_res male male/female male_penetrating male_penetrating_female mammal markings mole_(marking) open_mouth oral panties penetration penile penile_penetration penis penis_in_vagina piercing prostitution r_ex red_hair roxanne_rover sex sexual_barrier_device smile spread_legs spreading tongue underwear vaginal vaginal_penetration vulva
5:8 android anthro armpit_hair asgore_dreemurr beard bedroom_eyes belly_hair blonde_hair body_hair boss_monster_(undertale) bovid bulge caprine chest_hair duo facial_hair hair half-closed_eyes hi_res horn leg_hair lying machine male mammal mature_anthro mature_male mettaton mettaton_ex muscular muscular_male narrowed_eyes nipples on_back pecs pique_raj robot seductive undertale undertale_(series) weapon
2016 android glistening hair hair_over_eye humanoid machine male mettaton mettaton_ex not_furry one_eye_obstructed pose robot robot_humanoid sibsy solo undertale undertale_(series)
black_hair blush breasts clothed clothing digital_media_(artwork) female glistening hair hair_over_eye hehensfw humanoid lol_comments looking_down machine mettaton mettaton_ex not_furry one_eye_obstructed purple_eyes robot simple_background smile solo undertale undertale_(series)
4:3 ambiguous_gender animate_inanimate battered black_hair cousins_(lore) doll dummy electronics empty_eyes family ghost group hair hair_over_eye haunted_house headphones humanoid humor machine mad_dummy male meme metal mettaton mettaton_ex moofrog_(artist) napstablook nightmares_fear_factory_(meme) not_furry one_eye_obstructed open_mouth robot scared spirit teeth undertale undertale_(series)
2016 4_artificial_limbs chest_tuft conditional_dnp cybernetic_limb cybernetics cyborg deus_ex deus_ex:_human_revolution english_text female feral feral_replacement_limb heart_symbol i_never_asked_for_this machine mammal meme monochrome mrs._nibbly ribbons rodent science_fiction sciurid simple_background sketch solo sound_effects text tom_fischbach tree_squirrel tuft twokinds white_background
2016 5_fingers absurd_res alphys animated_skeleton anterior_nasal_aperture aquatic asgore_dreemurr beard black_and_white blush bodily_fluids bone boots boss_monster_(undertale) bovid breasts caprine clothing coat comic container cup dialogue digital_media_(artwork) ear_fins english_text eye_patch eyebrows eyewear facial_hair female fin fingers fish footwear glasses hair heart_symbol hi_res holding_character horn hotlegmeme humanoid humor lab_coat leg_wrap lizard long_ears long_image machine male mammal mettaton mettaton_ex monochrome open_mouth papyrus_(undertale) ponytail profanity reptile robot sans_(undertale) scalie sharp_teeth shoes short_hair simple_background skeleton speech_bubble sweat tall_image teeth text topwear undead undertale undertale_(series) undyne
16:9 ambiguous_gender clothing cowboy_hat disco disco_ball drag_(fashion) duo floodlight fog frisk_(undertale) glistening gun hat headgear headwear hi_res human lights machine mammal mettaton mettaton_ex nightclub not_furry pdubbsquared performance platform ranged_weapon robot soul stage umbrella undertale undertale_(series) wallpaper weapon widescreen
asgore_dreemurr beard blonde_hair boss_monster_(undertale) bovid caprine christmas_decorations christmas_lights comic english_text facial_hair flower frisk_(undertale) hair horn human long_ears machine mammal mettaton mettaton_ex plant plumfsh robot signature text undertale undertale_(series)
2016 ambiguous_gender clothed clothing crossdressing dress duo femboy ghost glistening humanoid machine male mettaton mettaton_ex napstablook not_furry robot simple_background skellymor spirit undertale undertale_(series) white_background
alphys amalgarn anthro brown_eyes buckteeth clothing coat comic dialogue dinosaur duo english_text eyewear female glasses hi_res lab_coat looking_at_viewer machine male mettaton mettaton_ex monster prehistoric_species profanity question_mark reptile robot scalie screwdriver smile smirk teeth text tools topwear undertale undertale_(series) working
anthro asgore_dreemurr beard blush boss_monster_(undertale) bovid caprine dongoverlord duo eyeshadow facial_hair flower glistening horn lipstick long_ears machine makeup male male/male mammal mature_anthro mature_male mettaton mettaton_ex plant robot simple_background size_difference thick_thighs tongue undertale undertale_(series)
bone crossgender duo erection female genitals hair heart_symbol hotlegmeme humanoid machine male male/female male_penetrating mettaton mettaton_ex not_furry open_mouth penetration penis robot romantic romantic_couple sans_(undertale) sex skeleton undead undertale undertale_(series) vaginal vaginal_penetration vulva
anthro carrot clothed clothing cosplay crossdressing femboy food food_fetish food_play glistening legwear leotard low_res machine male mettaton mettaton_ex pink_clothing pink_leotard plant robot simple_background solo tights undertale undertale_(series) unknown_artist vegetable white_background
2015 ambiguous_gender boots clothing drag_(fashion) duo electronics eyes_closed footwear frisk_(undertale) glistening hair heart_symbol hi_res high_heeled_boots high_heels human humanoid lights machine mammal mettaton mettaton_ex microphone not_furry performance robot shoes singing stage undertale undertale_(series) walkingmelonsaaa
16:9 2016 2d_animation alphys ambiguous_gender animated anthro blood bodily_fluids chara_(undertale) death duo_focus female fight frame_by_frame frisk_(undertale) ghost group huge_filesize human large_group lizard long_playtime machine male mammal mettaton mettaton_ex mettaton_neo music napstablook nchproductions reptile robot sans_(undertale) scalie sound spirit transformation undertale undertale_(series) video widescreen
2016 animal_genitalia animal_penis anthro balls bath bathtub biped black_body black_nipples black_penis black_scales breasts city curled_horn cybernetics cyborg detailed_background deus_ex dragon equine_genitalia equine_penis erection fin floor floor_mat genitals green_eyes gynomorph herm_(lore) hi_res high-angle_view horn hybrid_genitalia hybrid_penis intersex knot knotted_equine_penis knotted_penis linna_auriandi_(character) looking_at_viewer machine mazapan membrane_(anatomy) membranous_wings mythological_creature mythological_scalie mythology night nipples non-mammal_balls non-mammal_breasts non-mammal_nipples penis pupils scales scalie shower slightly_chubby slit_pupils solo spade_tail standing tail tile tile_floor ventral_scales water white_body white_scales window wings
2016 android electronics graphite_(artwork) humanoid jrvanesbroek looking_at_viewer machine male mettaton mettaton_ex microphone monochrome not_furry robot robot_humanoid sketch solo traditional_media_(artwork) undertale undertale_(series)
1:1 2016 aisan_sousak android black_hair clothing glistening gloves hair hair_over_eye handwear humanoid machine male mettaton mettaton_ex not_furry one_eye_obstructed purple_eyes robot robot_humanoid short_hair shoulder_pads smile solo undertale undertale_(series)
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