2015 3_toes 5_fingers abs absurd_res anthro arakune biceps big_muscles blazblue blooregard blue_eyes blush candy candy_pail cartoon_network chest_tuft clothed clothing costume crossover digital_media_(artwork) feline flexing food foster's_home_for_imaginary_friends fruit fur halloween halloween_costume hi_res holidays loverslessthanthree male mammal morenatsu muscular muscular_male napstablook open_mouth pecs pink_nose pumpkin smile solo spatula standing stripes teeth tiger toes tongue tongue_out topless torahiko_(morenatsu) tuft undertale video_games yellow_fur  2015 2_toes 4_fingers 6_arms anthro arachnid arthropod bean_bag beverage black_clothing black_eyes blue_clothing blue_fur blue_hoodie blue_sclera blush_sticker book brown_fur brown_hair chest_tuft claws clothed clothing cookie cup digital_drawing_(artwork) digital_media_(artwork) digitigrade eyelashes feet_together female fingerless_(marking) food food_in_mouth front_view full-length_portrait fur gloves_(marking) hair head_tuft holding_book holding_object hoodie humanoid_hands leg_tuft looking_down malachite_(mineral) mandibles markings multi_arm multi_eye multi_limb multicolored_fir multicolored_fur napstablook peacock_spider portrait reading reclining short_hair shorts simple_background sitting socks_(marking) solo spider spoon star stirring tizzle_bizzle toeless_(marking) toes tuft undertale video_games white_background yellow_background  <3 alphys canine clothing dessert dog dogamy dogaressa duo elemental eye_patch eyewear facial_hair fire_elemental fish food ghost glasses grillby headphones ice_cream lizard machine mammal marine mettaton mustache napstablook necktie reptile robot scalie solo spirit suit undertale undyne video_games yamsgarden  2016 anthro asgore_dreemurr blonde_hair blush boss_monster caprine clothing comic crown dialogue facial_hair female fire gastropod goat hair horn human long_ears long_horns male mammal napstablook protagonist_(undertale) rie_(artist) snail sweater tears text thundersnail toriel translation_request undertale video_games  2016 blush clothing ghost happy headphones human male mammal napstablook not_furry protagonist_(undertale) rie_(artist) smile spirit sweater undertale video_games  female ghost male monster_kid mushroom musical_instrument napstablook piano shyren spirit temmie_(undertale) undertale undyne unknown_artist video_games  alphys animated_skeleton annoying_dog_(undertale) asgore_dreemurr asriel_dreemurr beard bone boss_monster canine caprine castle crown delta_rune dog facial_hair fish floating flora_fauna flower flowey_the_flower fork ghost goat human lizard machine mammal marine mettaton_ex monster_kid napstablook papyrus_(undertale) plant protagonist_(undertale) reptile robot rokujyuyon sans_(undertale) scalie shovel skeleton spirit toriel tree undead undertale undyne video_games watering_can  androgynous bird blue_skin blush bow bowtie brown_hair closed_eyes cup drooling duck eyepatch fire frisk_(undertale) g_perarikku ghost glasses gloves grillby grin head_fins hood hoodie long_sleeves milk_carton monster_girl multiple_boys multiple_girls napstablook one_eye_closed open_mouth papyrus_(undertale) ponytail red_hair sans sharp_teeth shirt skeleton sleeping smile striped striped_shirt sweatdrop tank_top teeth undertale undyne yellow_skin zzz  2016 alphys animated_skeleton annoying_dog_(undertale) anthro arachnid arthropod asgore_dreemurr asriel_dreemurr bone boss_monster bratty_(undertale) canine caprine cat catty_(undertale) crocodile crocodilian dog dogaramy dogaressa doggo elemental feline female feral fish food ghost goat greater_dog grillby human kissing lagomorph lesser_dog lizard machine male mammal marine mettaton_ex monster monster_kid muffet napstablook nicecream_guy papyrus_(undertale) pie protagonist_(undertale) rabbit reptile robot sans_(undertale) scalie skeleton spider spirit tem temmie_(undertale) toriel undead undertale undyne video_games zilven  2017 alphys black_hair blush boots clothed clothing cum erection eroticphobia footwear hair humanoid machine male masturbation mettaton mettaton_ex napstablook not_furry penis robot solo undertale undyne video_games  2017 alphys black_hair blush boots clothed clothing cum erection eroticphobia footwear hair humanoid machine male masturbation mettaton mettaton_ex napstablook not_furry orgasm orgasm_face penis robot solo undertale undyne video_games  <3 2016 ambiguous_gender clothed clothing crying cute diamondmuffins digital_media_(artwork) duo footwear hair happy hug human love mammal napstablook protagonist_(undertale) shoes simple_background smile tears undertale video_games white_background  :3 :d alphys androgynous annoying_dog asgore_dreemurr black_hair brown_hair cape chara_(undertale) closed_eyes eye_contact facing_viewer flowey_(undertale) food frisk_(undertale) frown glasses goat_girl grin hair_over_one_eye hands_in_pockets hands_together heart horns jacket knife looking_at_another mary_cagle meatball mettaton mettaton_ex monster_kid_(undertale) multiple_others napstablook open_mouth orange_scarf papyrus_(undertale) pasta plate red_cape red_hair sans scarf sharp_teeth shirt slippers smile spaghetti striped striped_shirt tail teeth temmie toriel undertale undyne w.d._gaster  animated_skeleton asgore_dreemurr asriel_dreemurr beard bone book boss_monster bow caprine clock compass crown delta_rune facial_hair fairy flower fur ganondorf ghost goat goron horn korok link long_ears mammal mask napstablook nintendo nintendo_switch plant playing protagonist_(undertale) rokujyuyon rupees sans_(undertale) shield skeleton sleeping slippers sofa spirit television the_legend_of_zelda toriel triforce undead undertale video_games white_fur  <3 2017 alphys amalgamate ambiguous_gender animated_skeleton anthro arachnid arthropod asgore_dreemurr asriel_dreemurr bone boss_monster bratty_-undertale) burgerpants canine caprine catty_(undertale) clothed clothing crying detailed_background digital_media_(artwork) dog dogamy doggo eyes_closed eyewear feline female feral fire fish flower flowey_the_flower food froggit fur ghost glasses goat god_of_hyperdeath grass grillby hair hi_res horn hug human humanoid lizard long_ears machine male mammal marine mettaton mettaton_ex monster monster_kid muffet napstablook open_mouth pants papyrus_(undertale) petals pie pillar plant protagonist_(undertale) reptile robot sans_(undertale) scalie shirt skeleton smile snow spider spirit sunlight sweater tears tem temmie_(undertale) toriel tree undead undertale undyne video_games walkingmelonsaaa water watermark white_fur young  =_= androgynous aqua_background camera closed_eyes frisk_(undertale) ghost headphones hood hoodie mettaton multicolored multicolored_background multiple_views napstablook orange_background robot shirt shoes short_hair snail sneakers t-shirt translated two-tone_background undertale yellow_skin  comic english_text ghost machine mettaton napstablook robot spirit squatlord text undertale video_games  comic dialogue english_text fire ghost machine mettaton napstablook robot spirit squatlord text undertale video_games  androgynous armor asgore_dreemurr asriel_dreemurr beard blue_skin blush brown_hair closed_eyes crown cup everyone extra_eyes eyepatch facial_hair fewer_digits flower flowey_(undertale) frisk_(undertale) g_perarikku glasses gloves grin hair_over_one_eye head_fins heart hood hoodie horns insect_girl mettaton mettaton_ex monster_boy monster_girl monster_kid_(undertale) muffet multiple_boys multiple_girls napstablook open_mouth papyrus_(undertale) ponytail red_hair sans scarf sharp_teeth shirt short_hair shorts skeleton smile spider_girl striped striped_shirt striped_sweater sweater teacup teeth toriel undertale undyne yellow_skin  alphys animated_skeleton arachnid armor arthropod asgore_dreemurr asriel_dreemurr beard blue_fur bone boss_monster caprine castle crown distracting_watermark elemental eyewear facial_hair fangs fire fire_elemental flower fur ghost glasses goat grillby headphones horn lagomorph lizard long_ears lying machine mammal marine mettaton mettaton_ex muffet napstablook nicecream_man pankax papyrus_(undertale) petals plant protagonist_(undertale) rabbit rabbit_shopkeeper reptile robot sans_(undertale) scalie sitting skeleton spider spirit stripes teacup toriel undead undertale undyne video_games watermark white_fur  <3 alphys animated_skeleton arachnid arthropod asgore_dreemurr asriel_dreemurr bone boss_monster caprine chara_(undertale) english_text eye_patch eyewear flora_fauna flowey_the_flower ghost glasses goat hat human lizard machine mad_dummy mammal melee_weapon mettaton monster_kid muffet musical_instrument napstablook papyrus_(undertale) peanuts piano plant polearm protagonist_(undertale) reptile robot salihombox sans_(undertale) scalie skeleton spear spider spirit text top_hat toriel undead undertale undyne video_games weapon  ! <3 :< :3 aged_up alphys animated_skeleton annoying_dog_(undertale) armless blush bone cake canine caprine child clothing dinosaur dog elemental eye_patch eyewear female fire_elemental fish flower flowey_the_flower food fuku_fire fur glasses goat happy hi_res human machine male mammal marine mettaton monster monster_kid napstablook papyrus_(undertale) pie plant protagonist_(undertale) red_eyes robe robot sans_(undertale) servantofpsychotic shocked shorts skeleton skip skirt smile tears tongue tongue_out toriel undead undertale undyne video_games white_fur young  alphys animated_skeleton asgore_dreemurr bone boss_monster cape caprine cave_story clothing cloud crossover digital_media_(artwork) eyewear fish flora_fauna flowey_the_flower forest ghost glasses goat group hawfstuff human lizard machine mammal marine mettaton monster_kid mountain napstablook papyrus_(undertale) pixel_(artwork) plant protagonist_(undertale) reptile robot sans_(undertale) scalie skeleton spirit toriel tree undead undertale undyne video_games  <3 alphys animated_skeleton asgore_dreemurr asriel_dreemurr bone boss_monster caprine child clear_sky delta_rune english_text father fish ghost goat hand_holding human letters lizard machine mammal marine mettaton mother napstablook papyrus_(undertale) parent protagonist_(undertale) reptile robot sans_(undertale) scalie skeleton snow spirit text toriel undead undertale undyne video_games young yourmobi  alphys ambiguous_gender animated_skeleton arachnid arthropod asgore_dreemurr asriel_dreemurr beard black_hair bone boss_monster caprine cave_story chara_(undertale) clothing crossover digital_media_(artwork) eye_patch eyewear facial_hair female fiefio fish flora_fauna flowey_the_flower fur goat hair happy horn human lizard long_ears machine mad_dummy male mammal marine mettaton mettaton_ex monster_kid muffet napstablook papyrus_(undertale) pixel_(artwork) plant protagonist_(undertale) red_hair reptile robot sans_(undertale) scalie skeleton smile spider temmie_(undertale) toriel undead undertale undyne video_games white_fur  <3 animated_skeleton asgore_dreemurr asriel_dreemurr beard bone boss_monster caprine castle crown delta_rune facial_hair fish ghost goat god_of_hyperdeath horn human lizard mammal marine monster_kid napstablook papyrus_(undertale) photoshop_flowey protagonist_(undertale) reptile sans_(undertale) scalie skeleton spirit stellarblue toriel undead undertale undyne video_games vines  <3 animated_skeleton asgore_dreemurr asriel_dreemurr beard bone boss_monster caprine castle crown delta_rune facial_hair fish ghost goat god_of_hyperdeath horn human lizard mammal marine monster_kid napstablook papyrus_(undertale) photoshop_flowey protagonist_(undertale) reptile sans_(undertale) scalie skeleton spirit stellarblue toriel undead undertale undyne video_games vines  blush breasts bulge cowgirl_position crossgender cum digital_media_(artwork) ejaculation female ghost human human_on_humanoid humanoid lactating male mammal napstablook on_top penis sex space spirit star text thewill translucent under(her)tail undertale video_games  blush breasts bulge computer crossgender digital_media_(artwork) female ghost headphones human male mammal napstablook penis phasing sex spirit text thewill transparency under(her)tail undertale video_games  anthro blush breasts coughing crossgender digital_media_(artwork) doll erection female ghost human knife lactating long_tongue mad_dummy male mammal monster napstablook neck_bulge penis saliva spirit tears text thewill tongue under(her)tail undertale video_games water  aftertale ambiguous_gender animated_skeleton blood bone clothing coat comic dialogue english_text geno_sans_(aftertale) ghost happy hat human loverofpiggies male mammal napstablook not_furry protagonist_(undertale) scarf shorts simple_background skeleton smile spirit text undead undertale video_games white_background wounded  <3 black_stripes blue_eyes claws criexthedragon_(artist) dragon feral ghost headphones male napstablook sharp_teeth spirit stripes teeth undertale video_games watermark white_skin wings  <3 2016 4_fingers aircraft alphys ambiguous_gender animated_skeleton annoying_dog_(undertale) anthro anthropod arachnid armless arthropod asgore_dreemurr asriel_dreemurr bag barefoot beard beverage black_hair black_sclera blonde_hair blue_eyes blue_hair blue_skin blush bone boots boss_monster brother brown_fur brown_hair buckteeth building burgerpants canine caprine carpet cat chara_(undertale) child clothed clothing coat cousin cub dog empty_eyes english_text excited eye_patch eyelashes eyes_closed eyewear facial_hair family fangs father feline female female/female fin fish food footwear fully_clothed fur gaster ghost gills glasses gloves goat groceries group hair hair_bow hair_over_eye hair_ribbon hair_tuft happy hat hatchling hoodie horn house human humanoid jacket japanese_food japanese_text kotatsu lava living_aircraft living_machine living_room lizard long_ears looking_at_viewer lying machine male mammal marine metal mettaton microphone monster_kid mother muffet multi_arm multi_eye multi_limb napstablook nyusu_ut on_back on_front open_mouth papyrus_(undertale) parent pawpads playing pointing protagonist_(undertale) purple_skin red_eyes red_hair reptile ribbons robes robot sans_(undertale) scalie scarf sharp_teeth shyren sibling sitting skeleton sleeping slightly_chubby smile soda spider spikes spirit striped_topwear stripes sweat sweater tea tea_pot teeth television tem temmie_(undertale) text tongue tongue_out toriel translation_request tsunderplane undead undertale undyne video_games vulkin white_fur yellow_skin young  2016 alphys amalgamate ambiguous_gender animated_skeleton anthro asgore_dreemurr blonde_hair bone boss_monster caprine clothed clothing colored endogeny eye_patch eyes_closed eyewear facial_hair female fish flora_fauna flower flower_pot flowey_the_flower fur gaster ghost glasses goat group hair horn human humanity lab_coat lizard long_ears lynxgriffin machine male mammal marine mettaton_ex napstablook papyrus_(undertale) plant protagonist_(undertale) reptile robe robot sans_(undertale) scalie skeleton smile spirit toriel undead undertale undyne video_games white_fur  2016 absurd_res alphys amalgamate ambiguous_gender animated_skeleton annoying_dog_(undertale) anthro asgore_dreemurr bed bone boss_monster building canine caprine child clothed clothing colored comic dialogue dog dresser endogeny eyes_closed feral fish flora_fauna flower flower_pot flowey_the_flower food gaster ghost goat hi_res hoodie house human humanoid interior ladder lamp laugh lizard lying lynxgriffin machine male mammal marine mettaton monochrome napstablook outside papyrus_(undertale) photo picture_frame pillow plant plushie poster protagonist_(undertale) reptile robot sans_(undertale) scalie sitting skeleton sky smile sound_effects speech_bubble spirit star table text toriel undead underground undertale undyne video_games window young  alphys asgore_dreemurr cake chara_(undertale) comic flower flowey_(undertale) frisk_(undertale) mettaton monster_girl monster_kid_(undertale) muffet multiple_girls napstablook papyrus_(undertale) pie sans toriel translation_request undertale undyne  :d android backwards_hat baseball_cap blue_eyes bomber_jacket boots gloves grey_hair hat jacket knee_boots looking_at_viewer magatatara male_focus napstablook open_mouth personification smile solo undertale white_gloves  2016 absurd_res alphys amalgamate ambiguous_gender amphibian animated_skeleton anthro arachnid arthropod asgore_dreemurr bone boss_monster bratty_(undertale) building burgerpants caprine car cat catty_(undertale) child clothed clothing comic crocodile crocodilian dialogue elemental endogeny eyewear feline female fence fire_elemental fish flora_fauna flower flower_pot flowey_the_flower frog froggit gaster gerson ghost glasses goat goner_kid grillby happy hi_res house hug human humanoid jerry_(undertale) lab_coat lizard lynxgriffin machine mad_dummy male mammal marine mettaton monster monster_kid muffet napstablook outside papyrus_(undertale) party plant protagonist_(undertale) reptile robot sans_(undertale) scalie size_difference skeleton smile sound_effects speech_bubble spider spirit surprise text toriel tree turtle undead undertale undyne vehicle video_games young  2016 absurd_res alphys amalgamate ambiguous_gender animated_skeleton anthro asgore_dreemurr avian bird bone boss_monster building burgerpants caprine child clothing cloud comic dialogue endogeny eyewear feline female fence fire fish flora_fauna flower flower_pot flowey_the_flower gaster gaster_blaster ghost glasses goat goner_kid hat hi_res horn hug human humanoid lab_coat lizard long_ears lynxgriffin machine magic male mammal marine mettaton napstablook outside overalls papyrus_(undertale) plant protagonist_(undertale) reptile robot sans_(undertale) scalie skeleton sound_effects speech_bubble spirit star suitcase sun tears text toriel tree undead undertale undyne video_games young  2016 4_fingers bell blue_eyes breasts canine clothed clothing comic english_text father father_and_son featureless_breasts female food fox fruit full_moon fully_clothed fursuit fuzzt0ne ghost green_eyes group headphones human humor jack_o'_lantern male mammal moon mother mother_and_son napstablook nude open_mouth outside parent pawpads pumpkin pun purple_eyes son speech_bubble spirit teeth text tongue undertale video_games webcomic wolf  alphys ambiguous_gender animated_skeleton anthro aruurara asgore_dreemurr blush bone boss_monster caprine clock clothed clothing cooking dough duo_focus eye_patch eyewear female fish glasses goat group headband horn human kitchen lizard male mammal marine monster napstablook open_mouth papyrus_(undertale) protagonist_(undertale) purple_eyes reptile rolling_pin sans_(undertale) scalie skeleton smile teeth tongue toriel undead undertale undyne video_games  alphys annoying_dog asgore_dreemurr asriel_dreemurr burgerpants despair_(artist) dogamy dogaressa doggo flowey_(undertale) greater_dog grillby lesser_dog mad_dummy_(undertale) mettaton mettaton_ex monster_kid_(undertale) napstablook omega_flowey papyrus_(undertale) royal_guard_01_(undertale) royal_guard_02_(undertale) sans temmie toriel undertale undyne w.d._gaster