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papyrus_(undertale) plant ponytail reptile reptile_girl robot robot_boy sans_(undertale) scalie sharp_teeth shirt short_hair short_twintails siblings simple_background skeleton slit_pupils smile sparkle sparkling_eyes spider spider_girl spoken_ellipsis striped_clothes striped_shirt tears teeth temmie toriel twintails undead undertale undyne upper_body v vest w.d._gaster white_armor white_background white_fur white_horns white_shirt 2016 2d 3girls 3others 5boys alligator alligator_girl alphys ambiguous_gender animal_ears animated animated_gif anniversary annoying_dog anthro armor arthropod arthropod_girl artist_name asgore_dreemurr beard black_border black_eyepatch black_hair black_shorts blank_eyes blonde_hair blue_background blue_jacket blue_shirt blue_shorts blue_skin bone boots border bratty_(undertale) brothers brown_hair burgerpants cape cat cat_boy cat_girl catty_(undertale) chara_(undertale) chibi chibi_only closed_eyes closed_mouth colored_sclera copyright_name cousins crossed_arms crown digital_media disco_ball double_v droopy_ears ear_fins everyone eyepatch facial_hair female fins fire fish fish_girl floppy_ears flower flowey_(undertale) flying_sweatdrops food food_background frisk_(undertale) full_body furry furry_female furry_male ghost gloves goat goat_boy goat_ears goat_girl goat_horns green_shirt hair_over_one_eye head_fins headphones heart high_five high_heel_boots high_ponytail holding holding_flower holding_microphone holding_stick hollow_eyes hood hood_down hooded_jacket horizontal_stripes horns hot_dog human humanoid jacket ketchup ketchup_bottle large_filesize lizard lizard_girl long_hair male mammal mettaton mettaton_(box) mettaton_ex microphone monster monster_boy monster_girl muffet multiple_boys multiple_girls multiple_others musical_note napstablook open_jacket open_mouth papyrus_(undertale) pasta pillarboxed pink_stripes plant ponytail red_cape red_gloves red_hair reptile reptile_girl robot robot_boy sans_(undertale) scalie sharp_teeth shirt short_hair shorts siblings simple_background skeleton slit_pupils snowflakes spaghetti spider spider_girl stick striped_clothes striped_shirt striped_shorts sunglasses tbhoudai teeth text toriel undead undertale undyne v w.d._gaster watermark wheel white_armor white_fur white_gloves white_horns white_shirt white_stripes yellow_flower yellow_sclera yellow_stripes yellow_teeth 2016 2d 3girls 3others 5boys absurdres alphys ambiguous_gender animal animal_ears anniversary annoying_dog anthro armor artist_name asgore_dreemurr beard black_eyepatch black_hair black_shorts blank_eyes blonde_hair blue_background blue_jacket blue_shirt blue_shorts blue_skin boots brothers brown_hair cape chara_(undertale) chibi chibi_only closed_eyes closed_mouth colored_sclera copyright_name cousins crossed_arms digital_media dog double_v droopy_ears ear_fins everyone eyepatch facial_hair female fins fish fish_girl floppy_ears flower flowey_(undertale) flying_sweatdrops frisk_(undertale) full_body furry furry_female furry_male ghost gloves goat goat_boy goat_ears goat_girl goat_horns green_shirt hair_over_one_eye head_fins headphones high_five high_heel_boots high_ponytail highres holding holding_microphone holding_stick hollow_eyes hood hood_down hooded_jacket horizontal_stripes horns human humanoid jacket lizard lizard_girl long_hair male mammal mettaton mettaton_(box) mettaton_ex microphone monster monster_boy monster_girl multiple_boys multiple_girls multiple_others napstablook open_jacket open_mouth papyrus_(undertale) pink_stripes plant ponytail red_cape red_gloves red_hair reptile reptile_girl robot robot_boy sans_(undertale) scalie sharp_teeth shirt short_hair shorts siblings simple_background skeleton slit_pupils stick striped_clothes striped_shirt striped_shorts sunglasses tbhoudai teeth text toriel undead undertale undyne v w.d._gaster wheel white_armor white_dog white_fur white_gloves white_horns white_shirt white_stripes yellow_flower yellow_sclera yellow_stripes yellow_teeth 2021 2boys 2d armor blue_shorts boots cape digital_media fluovordt forest gloves highres humanoid male male_focus male_only monster monster_boy outdoors papyrus_(undertale) red_boots red_cape red_gloves shorts snow snowman solo_focus teeth undead undertale w.d._gaster white_armor 1boy 2016 2d artist_name cropped_shoulders digital_media hollow_eyes humanoid male male_only monster monster_boy one_eye_closed sharpie-nosharepie solo two-tone_background undertale w.d._gaster white_background 2022 2d 3boys absurdres artist_name brothers carrying carrying_person child_carry chromatic_aberration coat digital_media family father_and_son glasses gloves grey_background grey_coat highres hollow_eyes humanoid looking_at_another male male_only monster monster_boy multiple_boys orange_sweater papyrus_(undertale) peeking peeking_out photo_(object) pov pov_hands red_gloves sans_(undertale) siblings simple_background skeleton sweater teeth toddler trio turtleneck undead undertale w.d._gaster zara-im 1other 2015 2d 3boys aer0hail ambiguous_gender artist_name blue_shirt brothers brown_hair digital_media frisk_(undertale) green_armor group_hug hand_on_another's_head heart highres hollow_eyes human humanoid male monster monster_boy no_lineart one_eye_closed papyrus_(undertale) pink_stripes sans_(undertale) short_hair siblings skeleton smile striped_shirt teeth thumbnail_surprise transparent_background undead undertale w.d._gaster 1other 2017 2d 3boys 3girls alphys alternate_costume ambiguous_gender anthro armor artist_name asgore_dreemurr asriel_dreemurr beard black_shorts blonde_hair blue_jacket blue_shirt blue_shorts blue_skin brothers brown_hair chara_(undertale) colored_sclera commentary digital_media ear_fins english_commentary everyone facial_hair female fins fireworks fish fish_girl floppy_ears frisk_(undertale) furry furry_female furry_male gloves goat goat_boy goat_ears goat_girl goat_horns gummymela head_fins high_ponytail highres hood hood_down 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commentary copyright_name cousins digital_media dog dragon dragon_boy ear_fins endogeny english_commentary english_text everyone extra_arms extra_eyes eyepatch facial_hair female fins fish fish_girl floppy_ears flower flowey_(undertale) food frisk_(undertale) frog froggit furry furry_female furry_male ghost gloves goat goat_boy goat_ears goat_girl goat_horns gummymela happy_anniversary head_fins heart helmet high_ponytail highres holding holding_cup holding_food holding_ice_cream holding_ice_cream_cone holding_plate holding_polearm holding_popsicle holding_teapot holding_weapon hood hood_down hooded_jacket horns human humanoid humanoid_robot ice_cream ice_cream_cone jacket lizard lizard_girl lizard_tail long_hair mad_dummy_(undertale) making-of_available male mammal mettaton mettaton_ex monster monster_boy monster_girl monster_kid_(undertale) muffet multiple_boys multiple_girls multiple_others napstablook on_one_knee open_jacket painttool_sai_(medium) papyrus_(undertale) pasta 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glitch glowing_eye gradient_background hand_over_own_mouth hands_up humanoid looking_at_viewer looping_animation lowres male male_only portrait smile solo undertale variant_set w.d._gaster 1boy 2boys absurdres black_shorts greyscale grin highres jacket male_focus monochrome multiple_boys sakekuzu_no_ame sans_(undertale) shorts simple_background skeleton slippers smile sweatdrop teeth twitter_username undertale w.d._gaster white_background 3boys black_shorts blood blue_jacket closed_eyes flowey_(undertale) full_body glasses grin highres jacket knife lab_coat male_focus multiple_boys multiple_views open_mouth pink_slippers sakekuzu_no_ame sans_(undertale) shorts simple_background skeleton slippers smile stab sweat teeth undertale w.d._gaster white_background 3boys absurdres armor boots carrying carrying_person corpse death decapitation gloves greyscale grin highres hood jacket male_focus monochrome multiple_boys papyrus_(undertale) sakekuzu_no_ame sans_(undertale) simple_background skeleton slippers smile teeth twitter_username undertale w.d._gaster 1boy 2022 2d digital_media grey_background highres hollow_eyes humanoid katieekarix male male_only monster monster_boy simple_background solo undertale upper_body w.d._gaster 2boys absurdres black_shorts gloves grin highres hollow_eyes male_focus multiple_boys one_eye_closed open_mouth sakekuzu_no_ame sans_(undertale) shorts simple_background skeleton smile teeth twitter_username undertale w.d._gaster white_background white_gloves +++ 2020 2d 3boys aged_down artist_name black_pants blue_shirt blue_shorts blush brothers cape carrying carrying_person child child_carry closed_eyes cocothemunchkin digital_media father_and_son gloves grey_sweater humanoid lab_coat long_sleeves looking_at_another male male_child male_only monster monster_boy multiple_boys orange_sweater pants papyrus_(undertale) red_cape red_gloves sans_(undertale) shorts siblings simple_background skeleton striped_shirt striped_sweater sweater teeth trio 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