anal anal_penetration anthro anthro_penetrated bodily_fluids boots bra burgerpants catty_cattenheimer clothing cunnilingus dark_chelsea dildo domestic_cat dominant dominant_female drag_(fashion) felid feline felis female female_penetrating female_penetrating_male footwear fur glistening group group_sex high_heeled_boots high_heels humanoid humanoid_on_anthro humanoid_penetrating humanoid_penetrating_anthro legwear machine male male/female male_penetrated mammal mettaton mettaton_ex object_in_ass oral pegging penetration purple_body purple_fur robot sex sex_toy sex_toy_in_ass sex_toy_insertion shoes slightly_chubby strapon sweat thigh_boots thigh_highs threesome toying_partner trio undertale undertale_(series) underwear vaginal
alternate_species android cosplay crossover don't_starve fusion gesture glowing hand_gesture heart_symbol hi_res humanoid hybrid klei_entertainment machine mettaton mettaton_ex not_furry robot robot_humanoid solo undertale undertale_(series) unknown_artist v_sign wes_(don't_starve)
android anthro bottomwear burgerpants clothed clothing comic crossgender domestic_cat duo felid feline felis female flat_chested hat headgear headwear humanoid humanoid_on_anthro machine male male/female mammal mettaton mettaton_ex moa810 robot skirt sparkles text text_on_clothing text_on_hat text_on_headgear text_on_headwear undertale undertale_(series)
1:1 alternate_universe android clothing gloves handwear heart_symbol humanoid machine male mettaton_(underfell) mettaton_ex_(underfell) moa810 not_furry red_eyes robot robot_humanoid sharp_teeth solo teeth underfell undertale undertale_(series) yellow_sclera
3_toes :d absurd_res alphys anthro blood bodily_fluids boss boss_monster_(undertale) bovid caprine comic denlusty dialogue digital_media_(artwork) electronics emoticon english_text exclamation_point feet frisk_(undertale) fur greeting group hi_res human humor inside lizard lying mammal mettaton motion_lines on_back on_ground orange_body orange_scales parody reptile scales scalie shaking smile television text the_simpsons toes toriel trembling undertale undertale_(series) undyne white_body white_fur
1:1 alphys bodily_fluids crossover duo english_text eyewear female feral generation_1_pokemon glasses grey_background magnemite male marowak mettaton nintendo pokemon pokemon_(species) quiz rebornica simple_background sweat text undertale undertale_(series)
1:1 alternate_species anthro canid canine crossover duo eevee feral frisk_(undertale) generation_1_pokemon generation_6_pokemon hair_mouth male mammal mega_evolution mega_mawile mettaton mettaton_ex nintendo pokemon pokemon_(species) pose rebornica semi-anthro text undertale undertale_(series)
4:3 android baseball_bat baseball_cap baseball_uniform bat_(object) canti clothing crossover dialogue duo english_text flirting fooly_cooly for_a_head gloves hair handwear hat headgear headwear humanoid jonsthaman machine mettaton mettaton_ex not_furry object_head off_(game) qatan robot sportswear text the_batter_(off) undertale undertale_(series) uniform
android beverage bow_(feature) bow_tie clothing duo food ghost hair hat headgear headwear humanoid machine mettaton mettaton_ex napstablook not_furry pombi robot spirit tea top_hat undertale undertale_(series)
alternate_species anthro barefoot biped black_body black_fur black_hair claws clothing cybernetics cyborg drag_(fashion) fan_character feet fur glistening hair heart_symbol latex latex_clothing latex_skinsuit machine male mammal mettaton mettaton_ex multicolored_hair open_mouth paws pink_body pink_fur red_eyes sergal skinsuit solo standing tail tatugon tight_clothing tongue tongue_out undertale undertale_(series) white_body white_fur
alpha_channel android animated animated_gif boots clothing drag_(fashion) footwear high_heeled_boots high_heels humanoid jojo's_bizarre_adventure jojo_pose machine male meme mettaton mettaton_ex not_furry pose robot robot_humanoid shoes short_playtime simple_background solo tongue tongue_out transparent_background undertale undertale_(series) unknown_artist
alphys ambiguous_gender anthro aquatic asgore_dreemurr asriel_dreemurr boots boss_monster_(undertale) bovid boxers_(clothing) butt butt_shot caprine chara_(undertale) clothed clothing crossdressing female female/female femboy fish footwear frisk_(undertale) furgonomics glistening goat group hand_on_butt human lace lineup lizard long_image machine male mammal mettaton mettaton_ex panties rear_view reptile robot scalie shoes thigh_gap toriel undertale undertale_(series) underwear undyne wide_image
accessory alice_in_wonderland alternative_fashion ambiguous_gender animal_humanoid arachnid arachnid_humanoid arthropod arthropod_humanoid beverage bow_(feature) bow_accessory bow_ribbon burger canid canine canis card card_in_hat clothing crossover dessert domestic_dog doughnut female food ghost group hair_accessory hair_bow hair_ribbon hat hat_band hat_ornament headgear headwear heart_clothing heart_hat heart_headwear heart_ornament heart_symbol humanoid j-fashion machine male mammal mettaton mettaton_ex muffet napstablook ouji_(fashion) parody pastry playing_card ribbons robot sandwich_(food) spider spider_humanoid spirit tea teapot top_hat twin_bows twin_hair_bows undertale undertale_(series) unknown_artist
anthro asriel_dreemurr_(god_form) black_sclera boss_monster_(undertale) bovid butt caprine duo fur hazyblackcat heart_symbol hi_res horn looking_back machine male mammal mettaton nipples nude pawpads rear_view red_eyes robot undertale undertale_(series) white_body white_fur
2016 3:4 anthro arm_support big_butt breasts burgerpants butt butt_grab cigarette clothing crossgender digital_media_(artwork) disembodied_hand duo female from_behind_position grin hair half-closed_eyes hand_on_butt hat headgear headwear hi_res kloudmutt leaning_on_elbow machine male male/female mettaton narrowed_eyes nipples orange_eyes robot sex smile smoking solo_focus text text_on_clothing text_on_hat text_on_headgear text_on_headwear undertale undertale_(series)
2015 2d_animation 4:3 aaron_(undertale) alphys alternate_species ambiguous_gender amphibian animated animated_skeleton annoying_dog_(undertale) anthro aquatic armless asgore_dreemurr asriel_dreemurr avian bad_metadata beak beard biped bird black_clothing black_eyes black_hair black_text bone boss_monster_(undertale) bounce bovid burgerpants canid canine canis caprine clothed clothing dancing detailed_background dialogue digital_media_(artwork) doggo_(undertale) domestic_dog dot_eyes ears_down electronics elemental_creature english_text eye_contact eyelashes facial_hair falling feathers featureless_feet featureless_legs feet flipnote_studio_(artwork) flora_fauna flowey_the_flower food french_text frisk_(undertale) frog froggit frown fur gesture ghost goat group hair hand_gesture headphones heart_symbol horn humor keke_(artist) lobotomy_corporation long_playtime looking_at_another looking_at_viewer machine mammal mettaton mettaton_ex monster_kid muffet multicolored_body multicolored_fur multicolored_tail music napstablook open_mouth papyrus_(undertale) pasta pivoted_ears plant pose project_moon punishing_bird question red_body red_clothing red_fur red_tail red_text red_tongue red_topwear river_person_(undertale) robot sans_(undertale) simple_background simple_eyes skeleton smile snout sound spaghetti speech_bubble spinning spirit star stick_legs tail talking_to_viewer teeth temmie_(undertale) text thumbs_up tongue toony topwear toriel two_tone_body two_tone_fur two_tone_tail undead undertale undertale_(series) undyne video white_beak white_body white_clothing white_ears white_eyes white_feathers white_fur white_horn white_tail white_text worried
2016 android animated_skeleton black_lipstick bone duo hasana-chan heart_symbol humanoid lipstick machine makeup male mettaton mettaton_ex not_furry papyrus_(undertale) robot skeleton undead undertale undertale_(series)
absurd_res alphys comic dialogue duo english_text female femboy hi_res long_image machine male mettaton mettaton_ex robot scalie shrubsparrow_(artist) tall_image text undertale undertale_(series)
1:1 2016 ambiguous_gender android clothed clothing digital_media_(artwork) english_text half-closed_eyes humanoid machine mettaton mettaton_ex mrserius_(artist) narrowed_eyes not_furry open_mouth robot robot_humanoid simple_background solo source_request suspicious text tongue undertale undertale_(series) white_background
1:1 accessory alternate_universe anthro baseball_bat bat_(object) boots burgerpants clothed clothing drag_(fashion) drag_king fan_character felid footwear fur fur_coat gloves group hair handwear hi_res high_heeled_boots high_heels humanoid lagomorph leporid machine male mammal melee_weapon mettaton mettaton_ex necktie nicecream_man rabbit robot shoes simple_background smile stroberry_oatmeal suit undermafia undertale undertale_(series) weapon white_background
2016 alphys aquatic black_and_white comic disney disney's_hercules electronics english_text eye_patch eyewear female female/female fish hi_res lyrics machine mettaton microphone monochrome omny87 picture_frame reptile robot scalie text undertale undertale_(series) undyne
android anthro bed blush bottomwear burger burgerpants cigarette clothed clothing dialogue domestic_cat drcrygor duo english_text erection felid feline felis food footwear furniture genitals glamburger glistening hair handjob humanoid humanoid_genitalia humanoid_penis machine male mammal mettaton mettaton_ex pants penile penis pillow robot sex shirt shoes smoking text tongue tongue_out topwear undertale undertale_(series)
android anthro bed blush bodily_fluids bread burger burgerpants cigarette clothing cum cum_on_food dialogue domestic_cat drcrygor duo english_text erection felid feline felis food food_fetish food_play furniture genital_fluids genitals glamburger glistening grin hair half-closed_eyes handjob humanoid humanoid_genitalia humanoid_penis machine male mammal mettaton mettaton_ex narrowed_eyes penile penis robot seductive sex shirt smile smoking text topwear undertale undertale_(series)
2015 anthro blush burgerpants cigarette clothing comic dialogue domestic_cat duo encouragement english_text felid feline felis grin hat headgear headwear jyu_shige lagomorph leporid male mammal mettaton multiple_scenes nicecream_man rabbit smile smoke smoking solo speech_bubble text undertale undertale_(series)
2015 aaron_(undertale) absolutely_everyone absurd_res alligator alligatorid alphys amalgamate ambiguous_gender amphibian anatid animal_humanoid animated_skeleton annoying_dog_(undertale) anseriform anthro antlers aquatic aquatic_humanoid arachnid armless armor arthropod asgore_dreemurr asriel_dreemurr asriel_dreemurr_(god_form) astigmatism avian bear beard bird black_hair blush body_horror bone boss_monster_(undertale) bovid bovine bratty_(undertale) burgerpants canid canine canis caprine catty_cattenheimer chara_(undertale) clothed clothing coat creepy crocodilian crossdressing deer digital_media_(artwork) dogamy dogaressa doggo_(undertale) domestic_cat domestic_dog dress dress_lion_(undertale) duck elemental_creature endogeny english_text equid equine eyes_closed eyewear faceless facial_hair faun_(undertale) felid feline felis female femboy final_froggit fire fire_creature fish fish_humanoid flora_fauna flower flowey_the_flower frisk_(undertale) frog froggit fur gaster gaster_follower_1 gaster_follower_2 gaster_follower_3 gerson ghost glasses goat goner_kid goo_creature greater_dog grillby group gyftrot hair hair_over_eye hat headgear headwear heart_symbol heats_flamesman hi_res horn horse human humanoid hybrid ice ice_wolf_(undertale) icecap jerry_(undertale) knight knight_knight lab_coat lagomorph large_group lava lemon_bread leporid lesser_dog lion lizard long_image loox machine mad_dummy madjick male mammal melee_weapon melting memoryhead mettaton mettaton_ex moldbygg moldsmal monochrome monster_kid muffet multi_eye multi_limb muscular musical_note musical_symbol napstablook new_world_deer nicecream_man one_eye_obstructed onionsan pantherine papyrus_(undertale) pecs photoshop_flowey piercing pigtails plant polearm pyrope qc_(undertale) rabbit raikissu reaper_bird reindeer reptile rg01_(undertale) rg02_(undertale) river_person_(undertale) robot sans_(undertale) scalie shyren singing siren skeleton slime smile smoke snowdrake snowdrake's_mother so_sorry_(character) spear spider spirit sunglasses symbol tall_image teeth tem temmie_(undertale) text text_on_clothing text_on_hat text_on_headgear text_on_headwear topwear toriel tsunderplane turtle undead undertale undertale_(series) undyne vegetoid volcano vulkin warrior weapon whimsalot whimsun white_body white_fur wizard_hat wolf woshua
2015 absurd_res albinoart alphys anthro bodily_fluids bubble bubble_gum camera candy card clothing crossover dessert detailed_background dildo dragon electronics embarrassed female food footwear furniture game_console genital_fluids genitals hi_res horn inside magazine mario mario_bros masturbation mettaton mettaton_ex monitor mythological_creature mythological_scalie mythology nintendo nintendo_3ds nintendo_ds_family pencil_(object) scalie sex_toy shoes slippers solo table tail tamagotchi tamagotchi_(toy) toy undertale undertale_(series) vaginal_fluids vibrator vulva
2016 2:3 ambiguous_gender android black_hair boots clothing dialogue drag_(fashion) english_text fangs footwear geeflakes glistening hair hair_over_eye heart_symbol hi_res humanoid machine male mettaton mettaton_ex not_furry one_eye_obstructed robot robot_humanoid shoes solo sparkles steam teeth text tongue tongue_out undertale undertale_(series)
alphys alternate_species alternate_universe asgore_dreemurr bird_dog bulldog canid canine canis character_name clothing digital_media_(artwork) dobermann domestic_dog electronics eyes_closed eyewear feral floppy_ears flowey_the_flower french_bulldog frisk_(undertale) fur glasses golden_retriever greyscale headphones hoodie houndertale hunting_dog labrador mammal mastiff mettaton mettaton_ex molosser monochrome mountain_dog muffet papyrus_(undertale) pinscher poodle retriever saint_bernard sans_(undertale) scarf shiba_inu shih_tzu small_molosser spitz stuffhatisirrelevant text topwear toy_dog undertale undertale_(series) undyne
ambiguous_gender blush boots clothing cousins_(lore) electronics eyes_closed footwear ghost glistening group hair happstablook headphones humanoid mad_dummy mettaton mtt_brand_legs napstablook shoes sparkles spirit undertale undertale_(series) yam_(artist)
alpha_channel ambiguous_gender bobabunnibeans chainsaw front_view holding_object holding_weapon machine mettaton not_furry outline power_tool robot running simple_background solo tools transparent_background undertale undertale_(series) weapon
ambiguous_gender angry animated animated_gif animated_skeleton bone clothed clothing cockblock drag_(fashion) gradient_background group kissing low_res machine male mettaton mettaton_ex papyrus_(undertale) performance robot sans_(undertale) scarf short_playtime simple_background skeleton teeth trio undead undertale undertale_(series) yamsgarden
4:5 :3 alternate_universe ambiguous_gender backwards_baseball_cap backwards_hat baseball_cap blue_eyes blue_hair blush clothing duo electronics eyelashes fan_character gesture ghost hair hair_over_eye hand_gesture happstablook hat headgear headphones headwear heart_eyes heart_symbol humanoid machine male mettaton napstablook napstabot not_furry one_eye_obstructed pink_body pointing pointing_at_viewer robot simple_background smile spirit underswap undertale undertale_(series) yukiblue94
alternate_universe ambiguous_gender duo english_text eyelashes flower ghost happstablook hug mettaton napstablook not_furry pink_body plant smile spirit text underswap undertale undertale_(series) unknown_artist
alternate_universe ambiguous_gender anonymous bodily_fluids dialogue duo ellipsis english_text eyelashes eyewear ghost happstablook heart_eyes heart_symbol hi_res hug humanoid mettaton not_furry pink_body smile spirit sunglasses tears text underswap undertale undertale_(series) unknown_artist
animated animated_gif black_hair blinking emofuri fangs hair hair_over_eye hecatia-lapislazuli looking_at_viewer low_res machine male mettaton mettaton_ex not_furry one_eye_obstructed open_mouth red_eyes robot short_playtime smile solo teeth undertale undertale_(series)
absurd_res alphys anthro asgore_dreemurr bat bill_cipher blue_eyes bone brown_body brown_fur brown_hair brown_rat candy canid canine canis child claire_o'conell clothed clothing cosplay costume crossover deer dessert disney domestic_cat domestic_dog english_text euclidean eye_of_providence farron_jacques felid feline felis female fennec_fox food fox fur gravity_falls green_eyes group hair halloween hi_res holidays kibbles_(uberquest) kylar_mclaughlin long_hair mammal mason_hamrell mettaton mettaton_ex moon multicolored_body multicolored_fur murid murine night orange_hair papyrus_(undertale) plant procyonid purple_body purple_fur purple_hair raccoon rat red_eyes rodent sans_(undertale) sesame_akane skeleton skidd sky text toriel tree trick-or-treating true_fox two_tone_body two_tone_fur uberquest undertale undertale_(series) undyne white_body white_fur yellow_body yellow_fur young
4:5 android angry anthro burgerpants clothing duo english_text felid fur hat headgear headwear humanoid machine mammal mettaton mettaton_ex robot shirt simple_background text text_on_clothing text_on_hat text_on_headgear text_on_headwear topwear undertale undertale_(series) unknown_artist
accessory anthro beanie canid canine canis clothing crossover dbkit digital_media_(artwork) domestic_cat domestic_dog electronics elemental_creature elemental_humanoid english_text felid feline felis flora_fauna flower flower_creature flower_humanoid group hat headband headgear headwear humanoid katy_kat machine mammal mettaton microphone parappa parappa_the_rapper petting plant plant_humanoid robot simple_background sony_corporation sony_interactive_entertainment sunny sunny_funny text undertale undertale_(series) white_background
1:1 abstract_background animated animated_gif crossover english_text goobermation holding_object holding_pokeball low_res machine male mettaton nintendo not_furry pokeball pokemon robot short_playtime solo standard_pokeball text undertale undertale_(series)
1:1 abstract_background android animated animated_gif boots cinemagraph clothing crossover drag_(fashion) english_text footwear gloves goobermation handwear high_heeled_boots high_heels humanoid low_res machine male mettaton mettaton_ex nintendo not_furry pokemon robot robot_humanoid shoes short_playtime solo spotlight text undertale undertale_(series)
2015 android anthro black_hair bludermaus blush body_writing boots breasts burgerpants butt catty_cattenheimer clothed clothing digital_media_(artwork) domestic_cat eyelashes fangs felid feline felis female footwear fur gloves group hair hair_over_eye hand_on_face handwear hi_res highlights_(coloring) humanoid humanoid_on_anthro machine male male/female mammal mettaton mettaton_ex multicolored_hair one_eye_obstructed open_mouth paws pen purple_body purple_fur robot shoes slightly_chubby smile spying surprised teeth text thick_thighs trash_can two_tone_hair undertale undertale_(series) wide_hips writing_on_butt yellow_eyes
2015 absurd_res ambiguous_gender black_hair bludermaus clothed clothing comic dialogue digital_media_(artwork) drag_(fashion) duo english_text frisk_(undertale) hair hair_over_eye hi_res human humanoid lights machine mammal mettaton mettaton_ex not_furry one_eye_obstructed open_mouth robot simple_background smile text the_rocky_horror_picture_show undertale undertale_(series)
abstract_background android blood bodily_fluids cwiet drag_(fashion) drag_queen english_text hair humanoid image_macro it_was_me_dio jojo's_bizarre_adventure low_res machine male meme mettaton mettaton_ex nosebleed not_furry open_mouth parody phantom_blood purple_hair reaction_image robot robot_humanoid smile solo teeth text tongue undertale undertale_(series)
cucumber_quest duo electronics handstand headphones hi_res machine male mettaton mettaton_ex musical_note musical_symbol noisemaster not_furry robot symbol undertale undertale_(series) unknown_artist
abstract_background anthro black_hair brown_body brown_fur burgerpants clothing domestic_cat duo felid feline felis feral frown fur glistening gloves hair hair_over_eye handwear hat headgear headwear hug humanoid machine male mammal mettaton mettaton_ex one_eye_obstructed orange_body orange_fur parody pink_eyes pink_nose robot rotodisk simple_background size_difference smile smirk text text_on_clothing text_on_hat text_on_headgear text_on_headwear undertale undertale_(series)
2016 android big_butt boots butt clothing digital_drawing_(artwork) digital_media_(artwork) eyeshadow femboy footwear hair hair_over_eye hand_on_hip hi_res high_heels humanoid jrvanesbroek lipstick looking_at_viewer machine makeup male mettaton mettaton_ex monochrome not_furry one_eye_obstructed robot robot_humanoid shoes solo undertale undertale_(series)
2015 better_version_at_source catnippackets dialogue duo electronics english_text ghost headphones hi_res hug lying machine male mettaton mettaton_ex monochrome music napstablook not_furry robot sketch spirit text undertale undertale_(series)
animate_inanimate broken_heart digital_media_(artwork) duo frisk_(undertale) heart_symbol human kick lordtashington machine mammal mettaton not_furry robot simple_background switch_(device) trap_(contrivance) undertale undertale_(series) what why
absurd_res alphys ambiguous_gender angry astrobullet_(artist) bodily_fluids clothing comic computer crying dialogue digital_media_(artwork) duo electronics english_text eyewear female glasses glistening hi_res long_image machine mettaton mettaton_ex misunderstanding robot tall_image tears text undertale undertale_(series)
alphys ambiguous_gender anthro astrobullet_(artist) bodily_fluids clothing comic crying dialogue digital_media_(artwork) duo english_text eyewear female freckles glasses hi_res lizard machine mettaton mettaton_ex reptile robot scalie tears text undertale undertale_(series)
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