ambiguous_gender animated_skeleton anthro aquatic asgore_dreemurr asriel_dreemurr_(god_form) barefoot beard bone boss_monster_(undertale) bovid caprine castle clothed clothing crown delta_rune_(emblem) facial_hair fangs feet female fish frisk_(undertale) ghost group headgear heart_symbol hi_res horn human humanoid lizard male mammal mature_anthro mature_female mature_male monochrome monster_kid napstablook papyrus_(undertale) photoshop_flowey plant reptile robe sans_(undertale) scalie skeleton smile spirit stellarblue symbol teeth toriel undead undertale undertale_(series) undyne vines
ambiguous_gender animated_skeleton anthro aquatic asgore_dreemurr asriel_dreemurr_(god_form) barefoot beard bone boss_monster_(undertale) bovid caprine castle clothing crown delta_rune_(emblem) facial_hair fangs feet female fish frisk_(undertale) ghost group headgear heart_symbol hi_res horn human humanoid lizard male mammal mature_anthro mature_female mature_male monster_kid napstablook papyrus_(undertale) photoshop_flowey plant reptile robe sans_(undertale) scalie skeleton smile spirit stellarblue symbol teeth toriel undead undertale undertale_(series) undyne vines
animated_skeleton blush bone clothed clothing color_contrast duo elemental_creature elemental_humanoid fel-fisk fire fire_creature fire_humanoid grillby heart_symbol humanoid male male/male muscular muscular_male not_furry sans_(undertale) simple_background sinisk skeleton text topless undead undertale undertale_(series)
alphys ambiguous_gender android animal_humanoid animated_skeleton aquatic aquatic_humanoid arachnid arachnid_humanoid arthropod arthropod_humanoid asgore_dreemurr asriel_dreemurr asriel_dreemurr_(god_form) beard black_hair bone boss_monster_(undertale) bovid caprine cave_story chara_(undertale) clothing crossover digital_media_(artwork) elemental_creature eye_patch eyewear facial_hair felid female fiefio fish fish_humanoid flora_fauna flowey_the_flower frisk_(undertale) fur goat group hair happy headshot_portrait hi_res horn human humanoid lizard long_ears machine mad_dummy male mammal mettaton mettaton_ex monster_kid muffet napstablook papyrus_(undertale) parody pixel_(artwork) plant portrait red_hair reptile robot sans_(undertale) scalie skeleton smile spider_humanoid style_emulation tem temmie_(undertale) toriel undead undertale undertale_(series) undyne white_body white_fur
2016 angry animated_skeleton battle bone camilaanims clothed clothing coat death_stare digital_media_(artwork) duo gaster_blaster glowing jacket larger_male male monster photoshop_flowey sans_(undertale) size_difference skeleton smaller_male teeth topwear undead undertale undertale_(series)
1:1 alphys ambiguous_gender animated_skeleton anthro aquatic asgore_dreemurr bedsheet_ghost blonde_hair bone boss_monster_(undertale) bovid cape caprine cave_story clothing cloud crossover digital_media_(artwork) elemental_creature eyewear fish flora_fauna flowey_the_flower forest frisk_(undertale) ghost glasses group hair hawfstuff horn human humanoid lizard machine mammal mettaton monster_kid mountain napstablook papyrus_(undertale) pixel_(artwork) plant reptile robot sans_(undertale) scalie skeleton spirit style_emulation toriel tree undead undertale undertale_(series) undyne
2016 absurd_res ambiguous_gender animated_skeleton anthro armor asgore_dreemurr asriel_dreemurr barefoot blonde_hair bodily_fluids bone boss_monster_(undertale) bovid brown_hair caprine clothed clothing crying detailed_background eyes_closed facial_hair feet female frisk_(undertale) fur goat grin group hair hi_res horn human humanoid lifting male mammal papyrus_(undertale) pauldron sans_(undertale) skeleton smile sunset tc-96 tears toriel undead undertale undertale_(series) watermark white_body white_fur
animated_skeleton bone bottomwear clothed clothed_humanoid clothing comic corruption dialogue english_text exclamation_point frisk_(undertale) gaster hole_(anatomy) human humanoid loverofpiggies mammal not_furry sans_(undertale) scarf shirt shorts skeleton text topwear undead undertale undertale_(series)
animated_skeleton blood bodily_fluids bone clothing comic corruption dialogue english_text exclamation_point eyes_closed frisk_(undertale) human humanoid jacket loverofpiggies mammal not_furry sans_(undertale) scar simple_background skeleton smile sound_effects text topwear undead undertale undertale_(series) wounded
aftertale animated_skeleton blood bodily_fluids bone comic dialogue english_text gaster geno_sans_(aftertale) humanoid loverofpiggies not_furry red_text sans_(undertale) scar skeleton smile text undead undertale undertale_(series) wounded
aftertale animated_skeleton blood bodily_fluids bone comic dialogue english_text fight gaster gaster_blaster geno_sans_(aftertale) humanoid laser loverofpiggies not_furry sans_(undertale) scar skeleton text undead undertale undertale_(series) violence wounded
aftertale animated_skeleton bone comic dialogue english_text exclamation_point frisk_(undertale) geno_sans_(aftertale) human humanoid loverofpiggies mammal not_furry papyrus_(undertale) portal question_mark red_scarf sans_(undertale) scarf simple_background skeleton speech_bubble text undead undertale undertale_(series)
2016 alphys ambiguous_gender animated_skeleton anthro aquatic asriel_dreemurr blush bone boss_monster_(undertale) bovid caprine child clothed clothing comic dialogue eyes_closed eyewear female fish flower frisk_(undertale) fur glasses goat hair heart_symbol hit_ton_ton human humanoid humor japanese_text lizard long_ears male mammal open_mouth papyrus_(undertale) petting plant reptile sans_(undertale) scalie skeleton smile stripes text translated undead undertale undertale_(series) undyne white_body white_fur young
animated_skeleton bone comic dialogue english_text frisk_(undertale) human humanoid loverofpiggies mammal not_furry papyrus_(undertale) sans_(undertale) simple_background skeleton speech_bubble text undead undertale undertale_(series)
aftertale animated_skeleton bone comic dialogue english_text frisk_(undertale) human humanoid loverofpiggies mammal not_furry papyrus_(undertale) sans_(undertale) simple_background skeleton speech_bubble text undead undertale undertale_(series)
3:4 :3 :< aged_up alphys animal_humanoid animated_skeleton annoying_dog_(undertale) aquatic armless barefoot blush bodily_fluids bone boss_monster_(undertale) bottomwear bovid brown_hair cake canid canine canis caprine child clothing colored_fire dessert dinosaur domestic_dog elemental_creature exclamation_point eye_patch eyewear feet female fire fire_creature fish flower flowey_the_flower food frisk_(undertale) fuku_fire fur glasses green_fire group hair happy heart_symbol hi_res human humanoid machine male mammal mettaton monster_kid napstablook papyrus_(undertale) pastry pattern_clothing pie plant prehistoric_species red_eyes reptile robe robot sans_(undertale) scalie servantofpsychotic shocked shorts skeleton skip skirt smile striped_clothing stripes tears tongue tongue_out toriel undead undertale undertale_(series) undyne white_body white_fur young
animated_skeleton bone fangs glowing glowing_eyes hi_res humanoid knife looking_at_viewer male not_furry sans_(undertale) skeleton smile solo teeth undead undertale undertale_(series) unknown_artist
2015 alcohol ambiguous_gender animated_skeleton beverage blue_eyes bodily_fluids bone bottle bottomwear clothing container flower frisk_(undertale) group hair human humanoid mammal not_furry papyrus_(undertale) plant sans_(undertale) shorts skeleton smile sweat tsukigata_rossi undead undertale undertale_(series)
2015 alphys animated_skeleton anthro aquatic bone clothing eye_patch eyewear female fish glasses group hair humanoid lizard mammal papyrus_(undertale) reptile sans_(undertale) scalie skeleton text tsukigata_rossi undead undertale undertale_(series) undyne
ambiguous_gender animated_skeleton blue_eyes bodily_fluids bone brown_hair cleaver_(weapon) clothed clothing colored frisk_(undertale) group hair human humanoid knife male mammal melee_weapon not_furry orts red_eyes sans_(undertale) sh simple_background skeleton smile standing sweat undead undertale undertale_(series) weapon white_background
animated_skeleton bone bottomwear clothing footwear hi_res hoodie humanoid kirstine male monochrome not_furry sans_(undertale) shoes shorts skeleton slippers smile solo topwear undead undertale undertale_(series)
alphys ambiguous_gender animal_humanoid animated_skeleton aquatic aquatic_humanoid arachnid armor arthropod asgore_dreemurr asriel_dreemurr beard blue_body blue_fur bone boss_monster_(undertale) bovid burgerpants caprine castle clothed clothing container crown cup dessert distracting_watermark electronics elemental_creature eyewear facial_hair fangs female fire fire_creature fish fish_humanoid flower food frisk_(undertale) fur ghost glasses goat grillby group hat headgear headphones headwear holding_container holding_cup holding_object horn humanoid ice_cream lagomorph leporid lizard long_ears lying machine male mammal mettaton mettaton_ex midriff muffet napstablook nicecream_man pankax papyrus_(undertale) pasta pastry petals pie plant qc_(undertale) rabbit reptile robot sans_(undertale) scalie sitting skeleton spaghetti spider spirit stripes tea_cup teapot teeth text text_on_clothing text_on_hat text_on_headgear text_on_headwear toriel undead undertale undertale_(series) undyne watermark white_body white_fur
2016 absurd_res animal_humanoid animated_skeleton aquatic aquatic_humanoid bone breasts cleavage clothed clothing female fish fish_humanoid frisk_(undertale) gesture group hand_gesture hi_res human humanoid male mammal middle_finger papyrus_(undertale) sans_(undertale) skeleton sonson-sensei undead undertale undertale_(series) undyne
2015 angry animated_skeleton bone border clothed clothing coat comic comic_sans dessert dialogue digital_media_(artwork) duo earthgwee english_text eyes_closed food humanoid humor jacket male not_furry open_mouth papyrus_(font) papyrus_(undertale) pastry pie pun sans_(undertale) scarf skeleton smile speech_bubble teeth text topwear undead undertale undertale_(series) white_border
aaron_(undertale) abs absolutely_everyone absurd_res alphys anthro aquatic arachnid armor arthropod asgore_dreemurr asriel_dreemurr asriel_dreemurr_(god_form) beard biceps big_breasts blonde_hair bone boss_monster_(undertale) bovid bratty_(undertale) breasts burgerpants canid canine cape caprine catty_cattenheimer chara_(undertale) clothing colored_fire cubesona dogressa elemental_creature elemental_humanoid english_text eyewear facial_hair felid female fire fire_creature fish flower flowey_the_flower frisk_(undertale) fuku_fire gaster gerson ghost glasses goat green_fire grillby group hair hat headgear headwear heart_symbol hi_res horn human humanoid lagomorph large_group leporid lineup male mammal melee_weapon mettaton mettaton_ex model_sheet muffet muscular muscular_male napstablook nipples papyrus_(undertale) pecs photoshop_flowey plant qc_(undertale) rabbit reptile robe sans_(undertale) scalie shyren skeleton smile spider spirit sword tem temmie_(undertale) text text_on_clothing text_on_hat text_on_headgear text_on_headwear thick_thighs toriel turtle undertale undertale_(series) undyne weapon
2017 aimf0324 alphys animal_humanoid animated_skeleton aquatic arachnid arachnid_humanoid arthropod arthropod_humanoid bone digital_media_(artwork) dinosaur fish flowey_the_flower frisk_(undertale) group heart_symbol human humanoid machine mammal mettaton mettaton_ex muffet papyrus_(undertale) prehistoric_species reptile robot sans_(undertale) scalie skeleton soul_(undertale) spider spider_humanoid undead undertale undertale_(series) undyne
2015 animated_skeleton anthro asgore_dreemurr beard belly blonde_hair blue_background blue_eyes blush bodily_fluids body_hair bone boss_monster_(undertale) bottomless bovid caprine chest_hair clock clothed clothing cum cum_on_ground cumshot digital_media_(artwork) duo ejaculation erection facial_hair fangs fur genital_fluids genitals hair hands-free hi_res horn humanoid humanoid_genitalia humanoid_penis jacket long_ears male mammal manlyster mature_anthro mature_male musclegut muscular muscular_male open_mouth orgasm overweight penis sans_(undertale) simple_background skeleton teeth tongue tongue_out topwear undead undertale undertale_(series) watch
2015 animated_skeleton anthro asgore_dreemurr beard belly biceps big_muscles blonde_hair blue_background blue_eyes blush bodily_fluids body_hair bone boss_monster_(undertale) bovid caprine chest_hair clock clothing cum cum_on_ground cumshot digital_media_(artwork) duo ejaculation erection facial_hair fangs fur genital_fluids genitals hair hands-free hi_res horn huge_muscles humanoid humanoid_genitalia humanoid_penis jacket long_ears male mammal manlyster mature_anthro mature_male musclegut muscular muscular_male nude open_mouth orgasm overweight pecs penis sans_(undertale) simple_background skeleton solo_focus teeth tongue tongue_out topwear undead undertale undertale_(series) watch
animated_skeleton anterior_nasal_aperture armor bandage blood bodily_fluids bone cape clothing gaster_blaster glowing glowing_eyes heart_symbol hi_res humanoid male mask sans_(undertale) simple_background skeleton skull solo undead undertale undertale_(series) vesssel
2017 alphys animated_skeleton anthro asriel_dreemurr bone boss_monster_(undertale) bovid caprine colorful_theme flowey_the_flower frisk_(undertale) ghost goat group human humanoid kemono lagomorph leporid male mammal papyrus_(undertale) rabbit rokuyon sans_(undertale) skeleton spirit tem temmie_(undertale) undead undertale undertale_(series) undyne
absurd_res alphys anthro biped child clothed clothed_anthro clothed_female clothed_human clothed_male clothing colored comic digital_drawing_(artwork) digital_media_(artwork) english_text eyelashes female female_human foxtragic frisk_(undertale) fully_clothed fully_clothed_human fully_clothed_male group hi_res human humanoid inside light lighting linked_speech_bubble long_image male mammal night outside rear_view sans_(undertale) shaded side_view simple_shading speech_bubble tall_image text three-quarter_view trio undertale undertale_(series) young young_human
2017 absurd_res animated_skeleton bone clothed clothed_human clothed_humanoid clothed_male clothing colored comic digital_media_(artwork) english_text foxtragic frisk_(undertale) hi_res human humanoid inside light lighting long_image male mammal sans_(undertale) shaded skeleton tall_image text undead undertale undertale_(series)
2017 absurd_res biped black_bars brown_body brown_hair brown_skin child clothed clothed_human clothed_humanoid clothed_male clothing colored comic digital_drawing_(artwork) digital_media_(artwork) english_text female foxtragic frisk_(undertale) furniture group hair hi_res human humanoid letterbox light lighting linked_speech_bubble long_image male male_human mammal outside purple_clothing purple_shirt purple_topwear sans_(undertale) shaded shirt short_hair smile snow soft_shading speech_bubble table tall_image text topwear trio undertale undertale_(series) young young_female young_human
animated_skeleton bone dialogue duo english_text frisk_(undertale) human humanoid male mammal not_furry question_mark sans_(undertale) simonsoys simple_background skeleton text undead undertale undertale_(series)
animated_skeleton bone dialogue duo english_text exclamation_point frisk_(undertale) human humanoid male mammal not_furry question_mark sans_(undertale) simonsoys simple_background skeleton text undead undertale undertale_(series)
animated_skeleton anthro bone boss_monster_(undertale) bovid caprine dialogue english_text female frisk_(undertale) group human humanoid male mammal sans_(undertale) simonsoys simple_background skeleton text toriel undead undertale undertale_(series)
animated_skeleton anthro bone boss_monster_(undertale) bovid caprine dialogue english_text female frisk_(undertale) group human humanoid male mammal sans_(undertale) simonsoys simple_background skeleton text toriel undead undertale undertale_(series)
animated_skeleton anthro bone boss_monster_(undertale) bovid caprine dialogue duo english_text female humanoid male mammal sans_(undertale) simonsoys simple_background skeleton text toriel undead undertale undertale_(series)
anthro boss_monster_(undertale) bovid caprine dialogue duo english_text female male mammal sans_(undertale) simonsoys simple_background text toriel undertale undertale_(series)
animated_skeleton annoying_dog_(undertale) anthro bed bone book boss_monster_(undertale) bovid cactus canid canine canis caprine dialogue domestic_dog duo english_text female furniture male mammal plant sans_(undertale) simonsoys simple_background skeleton text toriel undead undertale undertale_(series)
alkipunch animal_humanoid animated_skeleton arachnid arachnid_humanoid arthropod arthropod_humanoid bone breasts clothed clothed/nude clothing duo female female_penetrated genitals hi_res humanoid interspecies male male/female male_penetrating male_penetrating_female muffet nude penetration penile penile_penetration penis_in_vagina sans_(undertale) sex skeleton spider_humanoid undead undertale undertale_(series) vaginal vaginal_penetration vulva
2017 absolutely_everyone alphys amalgamate ambiguous_gender animated_skeleton anthro aquatic arachnid arthropod asgore_dreemurr asriel_dreemurr asriel_dreemurr_(god_form) blue_clothing blue_sweater blue_topwear bodily_fluids bone boss_monster_(undertale) bottomwear bovid bratty_(undertale) burgerpants canid canine canis caprine catty_cattenheimer clothed clothing crying delta_rune_(emblem) dessert detailed_background digital_media_(artwork) distracting_watermark dogamy dogaressa doggo_(undertale) domestic_dog duo endogeny eyes_closed eyewear felid female feral fire fish flower flowey_the_flower food frisk_(undertale) froggit fur ghost glasses goat goo_creature grass green_clothing green_sweater green_topwear grillby group hair heart_symbol hi_res horn hug human humanoid large_group light lizard long_ears machine male mammal mettaton mettaton_ex monster_kid muffet multiple_images napstablook open_mouth pants papyrus_(undertale) pastry pattern_clothing pattern_sweater pattern_topwear petals pie pillar plant reptile robot sans_(undertale) scalie shirt skeleton smile snow spider spirit striped_clothing striped_sweater striped_topwear stripes sunlight sweater symbol tears tem temmie_(undertale) topwear toriel tree undead undertale undertale_(series) undyne walkingmelonsaaa water watermark white_body white_fur young
4_fingers adopted_(lore) adoptive_sibling_(lore) animal_humanoid animal_mask animated_skeleton anthro aquatic arrow_(weapon) asgore_dreemurr asriel_dreemurr avian avian_humanoid baba_(tloz) beard blue_eyes bone book boomerang boss_monster_(undertale) bovid bow_(weapon) caprine clock clothing compass crown deku_(tloz) deku_baba deku_mask deku_scrub deku_seeds deku_shield delta_rune_(emblem) detailed_background electronics elemental_creature elemental_humanoid eyes_closed facial_hair fairy father_(lore) father_and_child_(lore) father_and_son_(lore) female fingers flora_fauna flower footprint footwear fox_mask frisk_(undertale) fur furniture game_console ganondorf ghost goat goron goron_mask gossip_mask group headgear heart_symbol horn human humanoid keaton_mask korok link lon_lon_milk long_ears majora's_mask makar male mammal mask mask_of_truth master_sword mature_anthro mature_female mature_male medli melee_weapon mother_(lore) mother_and_child_(lore) mother_and_son_(lore) musical_instrument napstablook nintendo nintendo_switch ocarina open_mouth open_smile parent_(lore) parent_and_child_(lore) parent_and_son_(lore) pawprint plant plant_humanoid playing pupils ranged_weapon rito rito_humanoid rokuyon rupee sans_(undertale) shield shoes skeleton sleeping slippers smile sofa son_(lore) spirit sword symbol television the_legend_of_zelda toriel triforce twig undead undertale undertale_(series) weapon white_body white_fur white_pupils wind_instrument wind_waker zora zora_mask
16:9 2016 2017 age_difference ambiguous_gender anadapta animated animated_skeleton anthro bodily_fluids bone boss_monster_(undertale) bovid brother_(lore) brothers_(lore) caprine clothed clothing comic comic_dub crime criminal dagger dessert dialogue english_text female fist food frisk_(undertale) group holding_object human knife long_playtime male mammal melee_weapon music older_female outside papyrus_(undertale) pastry pie robber robbery robbing saltybunny sans_(undertale) sibling_(lore) skeleton sound speech_bubble stab stealing tears text thief thug toriel undead undertale undertale_(series) video weapon widescreen younger_ambiguous
ambiguous_gender animated_skeleton anthro asriel_dreemurr barefoot basketball bone boss_monster_(undertale) bovid caprine child clothing english_text eyes_closed feet flower frisk_(undertale) fur goat group hat headgear headwear hi_res human humanoid long_ears lying male mammal on_back papyrus_(undertale) plant reaching_out sans_(undertale) skeleton sleeping stripes tc-96 text undead undertale undertale_(series) white_body white_fur young
4:7 animated_skeleton bone clothed clothing colored comic comic_sans dialogue duo english_text hi_res humanoid male not_furry sans_(undertale) skeleton standing text tumblr undead undertale undertale_(series)
animated_skeleton bone english_text gun haaru humanoid male monochrome not_furry ranged_weapon sans_(undertale) skeleton solo text undead undertale undertale_(series) weapon
aftertale animated_skeleton blood bodily_fluids bone comic dessert dialogue english_text food frisk_(undertale) human humanoid loverofpiggies mammal not_furry papyrus_(undertale) pastry pie plate sans_(undertale) simple_background skeleton speech_bubble star text undead undertale undertale_(series)
aftertale angry animated_skeleton blood bodily_fluids bone comic dessert dialogue english_text food frisk_(undertale) human humanoid loverofpiggies mammal not_furry pastry pie plate sans_(undertale) simple_background skeleton sweat text undead undertale undertale_(series)
aftertale animated_skeleton blood bodily_fluids bone comic dessert dialogue english_text food frisk_(undertale) group human humanoid loverofpiggies mammal not_furry papyrus_(undertale) pastry pie plate sans_(undertale) simple_background skeleton speech_bubble text undead undertale undertale_(series)
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