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2010s 2017 2boys 2d black_background blue_jacket brothers character_name crossed_arms digital_media_(artwork) duo gloves humanoid jacket male male_only monster monster_boy multicolored_background papyrus_(undertale) red_gloves sans sans_(undertale) siblings skeleton sparkle synthesaizer three-toned_background undead undertale upper_body whoopee_cushion 2010s 2018 2boys 2d artist_name battle blue_jacket bone brothers commentary digital_media_(artwork) duo english_commentary gasterblaster gloves glowing glowing_eye hand_up humanoid jacket male male_only monster monster_boy papyrus_(undertale) peanutable raised_arm raised_hand reaching reaching_out red_gloves sans sans_(undertale) siblings skeleton undead undertale 2010s 2016 2boys 2d artist_name blue_jacket boots brothers closed_eyes digital_media_(artwork) duo footwear full_body gloves hoodie hug hug_from_behind humanoid jacket male male_only monster monster_boy neontetrious2027 orange_background papyrus_(undertale) red_gloves red_scarf sans sans_(undertale) scarf siblings simple_background skeleton smile two-tone_background undead undertale white_background 2010s 2015 2boys 2d arms_around_neck artist_name blue_jacket brothers carrying carrying_person crying crying_with_eyes_open digital_media_(artwork) duo footwear gloves hug humanoid jacket lovelykouga male male_only monster monster_boy papyrus_(undertale) pink_footwear pink_slippers red_gloves sans sans_(undertale) siblings simple_background skeleton slippers tears tropic-mews undead undertale 1other 2010s 2018 2boys 2d alternate_costume ambiguous_gender blue_jacket brothers brown_hair cap digital_media_(artwork) frisk_(undertale) gloves hair hat human humanoid jacket male matching_outfit monster monster_boy ningukt papyrus_(undertale) red_gloves sans sans_(undertale) short_hair simple_background skeleton sparkle sunglasses trio undead undertale 2010s 2018 2boys 2d animated brothers chibi copyright_name digital_media_(artwork) duo game_console gloves handheld_game_console hoodie jacket jumping male male_only monster monster_boy nintendo nintendo_switch papyrus_(undertale) sans sans_(undertale) siblings simple_background skeleton symphysins text undead undertale video_game video_games white_background 1girl 2010s 2016 2d animated anthro anthro_only armor black_background black_eyepatch blue_body blue_skin digital_media_(artwork) ear_fins eyepatch female female_only fins fish fish_girl floating_hair hair head_fins holding holding_spear holding_weapon long_hair looking_at_viewer monster monster_girl nooby-banana red_hair redhead simple_background solo spear threatening undertale undyne upper_body weapon 1girl 2010s 2017 2d alternate_costume animated anthro anthro_only black_eyepatch black_fingernails black_tank_top blinking blue_body blue_skin bored chelodoy digital_media_(artwork) ear_fins eyepatch female female_only fingernails fins fish fish_girl full_body grey_background hair head_fins holding holding_phone long_hair looking_at_phone lying monster monster_girl on_back phone ponytail red_hair red_sneakers shorts simple_background sneakers socks solo tank_top undertale undyne 1girl 2010s 2017 2d animated anthro anthro_only arachnid arthropod arthropod_girl blinking chelodoy cup digital_media_(artwork) female female_only full_body grey_background hand_in_pocket holding holding_teapot monster monster_girl muffet multiple_arms multiple_eyes purple_body purple_skin simple_background snapping_fingers solo spider spider_girl teacup teapot undertale walking 1girl 2010s 2016 2d anthro anthro_only digital_media_(artwork) fangs female floppy_ears full_body fur furry furry_female goat goat_ears goat_girl goat_horns hands_together horns kamillyanna mammal monster monster_girl paws purple_robe red_eyes robe skin_fangs solo standing toriel transparent_background undertale white_fur white_horns 1boy 1girl 2010s 2016 2d aged_up alternate_costume bridal_carry brown_hair carrying carrying_person digital_media_(artwork) duo female frisk_(undertale) gloves hair human humanoid kamillyanna male monster monster_boy older orange_sweater papyrus_(undertale) red_gloves red_scarf scarf short_hair simple_background skeleton striped_clothes striped_shirt sweater undead undertale white_background 1boy 1girl 2010s 2016 2d anthro black_background commentary copyright_name deltarune digital_media_(artwork) female grin hand_on_face hand_on_own_face japanese_commentary kogane28 lancer_(deltarune) laughing male monster monster_girl pink_body pink_skin purple_hair scalie simple_background susie_(deltarune) text upper_body 1boy 1other 2010s 2016 2d 2koma arrow_through_heart blush child comic comic_panel cute digital_media_(artwork) duo english_text frisk_(undertale) gloves hand_on_another's_face hand_on_face hand_on_hand hand_on_own_face head_tilt heart humanoid japanese_text kogane28 male mixed-language_text monochrome monster monster_boy papyrus_(undertale) pov pov_hand short_hair size_difference skeleton smile speech_bubble text undead undertale 1other 2010s 2016 2boys 2d ambiguous_gender blue_hoodie brothers brown_hair child digital_media_(artwork) frisk_(undertale) gloves hair hand_on_another's_head hand_on_head hands_in_pockets hood_down hooded_jacket hoodie human humanoid jacket kogane28 looking_at_viewer male monster monster_boy papyrus_(undertale) red_background red_gloves sans sans_(undertale) short_hair siblings simple_background skeleton smile striped_shirt trio undead undertale upper_body v 2010s 2016 2boys 2d black_background blue_jacket boots brothers clenched_hand copyright_name digital_media_(artwork) duo fist footwear full_body gloves hands_in_pockets humanoid jacket kogane28 male male_only monster monster_boy papyrus_(undertale) pink_footwear pink_slippers red_boots red_footwear red_gloves sans sans_(undertale) shorts siblings simple_background skeleton slippers smirk smug socks undead undertale 1boy 2010s 2019 2d bone cape commentary digital_media_(artwork) english_commentary floating_object footwear gasterblaster gloves glowing glowing_eye heart holding_heart humanoid male male_only monster monster_boy mrputt orange_cape orange_gloves orange_scarf papyrus_(undertale) pointing pointing_at_self ribs scarf skeleton skull solo spine undead undertale upper_body 1boy 2010s 2016 2d artist_name bone boots cape commentary digital_media_(artwork) floating_object foot_up footwear full_body gloves humanoid male male_only mikokei monster monster_boy outdoors papyrus_(undertale) red_boots red_cape red_footwear red_gloves red_scarf scarf skeleton snow snowing solo spanish_commentary undead undertale 1boy 2010s 2016 2d boots cape clenched_hands closed_mouth commentary digital_media_(artwork) english_commentary fists foot_up footwear full_body gloves hearttheglaceon humanoid looking_at_viewer male male_only monster monster_boy outstretched_arms papyrus_(undertale) red_boots red_cape red_footwear red_gloves running skeleton solo undead undertale 1boy 2010s 2015 2d artist_name blue_background bone boots commentary digital_media_(artwork) english_commentary foot_up footwear full_body gloves holding holding_bone humanoid khrysteen leg_up looking_at_viewer male male_only monster monster_boy outstretched_arms papyrus_(undertale) reaching reaching_out reaching_towards_viewer red_boots red_footwear red_gloves red_scarf scarf simple_background skeleton solo two-tone_background undead undertale white_background 1boy 1other 2010s 2018 716fluffybunny ambiguous_gender animal bird blue_feathers boots brown_boots brown_footwear brown_hair cape child commentary duo feather footwear frisk_(undertale) gloves hair handbag hashtag_commentary holding holding_feather human humanoid japanese_commentary male monster monster_boy papyrus_(undertale) red_boots red_cape red_footwear red_gloves short_hair skeleton striped_clothes traditional_media undead undertale walking 1boy 1other 2010s 2018 716fluffybunny ambiguous_gender blush brown_hair child commentary duo frisk_(undertale) gloves hair heart human humanoid japanese_commentary male monster monster_boy papyrus_(undertale) pink_scarf red_gloves red_scarf scarf short_hair skeleton striped_clothes undead undertale upper_body 1boy 1other 2010s 2016 2d ambiguous_gender animal annoying_dog blush_stickers bone bone_in_mouth boots brown_hair cape commentary digital_media_(artwork) dog domestic_dog footwear frisk_(undertale) gameplay_mechanics gloves hair height_difference human humanoid imminent_hand_holding looking_at_another looking_at_each_other male mammal monster monster_boy neykstar outdoors papyrus_(undertale) pine_tree red_boots red_cape red_footwear red_gloves short_hair size_difference skeleton smile snow spanish_commentary standing striped_clothes tree undead undertale 1boy 1other 2010s 2016 2d ambiguous_gender balkeir blush boots brown_boots brown_footwear brown_hair commentary digital_media_(artwork) duo english_commentary footwear frisk_(undertale) gloves hair holding_hands hug human humanoid kneeling male monster monster_boy on_one_knee open_mouth papyrus_(undertale) red_boots red_footwear red_gloves short_hair skeleton snow striped_clothes undead undertale 1boy 1other 2010s 2016 2d ambiguous_gender blanket brown_hair candle digital_media_(artwork) duo frisk_(undertale) glass gloves hair hand_on_another's_shoulder hand_on_shoulder hearttheglaceon human humanoid light lying male monster monster_boy on_stomach papyrus_(undertale) red_gloves short_hair skeleton striped_clothes tablet undead undertale upper_body 1boy 1other 2010s 2016 2d ambiguous_gender arm_up blush brown_hair cape closed_eyes digital_media_(artwork) duo frisk_(undertale) gloves hair hand_up hearttheglaceon hug_from_behind human humanoid laughing male monster monster_boy open_mouth papyrus_(undertale) pink_background raised_arm red_cape red_gloves short_hair simple_background skeleton striped_clothes striped_shirt undead undertale upper_body white_border 1boy 1other 2010s 2016 2d ambiguous_gender blush brown_hair cape cowboy_shot digital_media_(artwork) duo frisk_(undertale) gloves gradient_background hair hearttheglaceon hug human humanoid magenta_background male monster monster_boy open_mouth papyrus_(undertale) red_cape red_gloves short_hair simple_background skeleton striped_clothes surprise_hug surprised undead undertale white_border wide-eyed 1boy 1other 2010s 2016 2d ambiguous_gender blue_clothes brown_hair digital_media_(artwork) duo frisk_(undertale) gloves gradient_background hair heart hearttheglaceon human humanoid male monster monster_boy no_shoes papyrus_(undertale) red_gloves short_hair simple_background size_difference skeleton undead undertale upper_body >:( 1boy 1other 2010s 2018 ambiguous_gender brown_hair child comic_fri duo frisk_(undertale) frown gloves hair hand_on_another's_head hand_on_head human humanoid male monster monster_boy one_eye_closed open_mouth papyrus_(undertale) red_gloves short_hair simple_background skeleton striped_clothes striped_shirt undead undertale upper_body 1boy 1other 2010s 2018 ambiguous_gender brown_hair child comic_fri duo frisk_(undertale) gloves hair hand_on_another's_cheek hand_on_another's_face hand_on_cheek hand_on_face human humanoid looking_at_another looking_down male monster monster_boy open_mouth papyrus_(undertale) red_gloves short_hair simple_background skeleton undead undertale upper_body 1other 2010s 2018 ambiguous_gender brown_hair child frisk_(undertale) gradient_background hair human mochaaaaaasan red_scarf scarf short_hair smile solo striped_clothes striped_shirt traditional_media undertale upper_body 1other 2010s 2018 2boys 2d ambiguous_gender arm_behind_another's_back blue_jacket brothers brown_hair child digital_media_(artwork) frisk_(undertale) gloves hair hand_on_hip hand_on_own_hip human humanoid jacket male monster monster_boy one_eye_closed papyrus_(undertale) pink_background red_gloves sans sans_(undertale) short_hair siblings simple_background skeleton synthesaizer trio undead undertale upper_body 2010s 2017 2boys 2d arm_support blue_jacket boots boys brothers digital_media_(artwork) duo flower footwear gloves humanoid jacket male male_only monster monster_boy mushroom outdoors papyrus_(undertale) pink_footwear pink_slippers plant red_boots red_footwear red_gloves sans sans_(undertale) siblings sitting skeleton slippers synthesaizer undead undertale water 2010s 2017 2boys 2d blue_jacket brothers digital_media_(artwork) duo gloves grey_background hand_on_hip hand_on_own_hip humanoid jacket looking_at_viewer male male_only monster monster_boy open_mouth papyrus_(undertale) pointing pointing_at_viewer red_gloves sans sans_(undertale) siblings simple_background skeleton synthesaizer undead undertale upper_body 1boy 1other 2010s 2016 2d ambiguous_gender brown_hair child closed_eyes couch digital_media_(artwork) duo frisk_(undertale) gloves hair hand_on_another's_head hand_on_head hug human humanoid kiss lying male monster monster_boy on_back oni-no-kawara papyrus_(undertale) red_gloves short_hair skeleton undead undertale 1boy 1other 2010s 2016 2d ambiguous_gender blue_background blush boots brown_boots brown_hair child digital_media_(artwork) duo frisk_(undertale) gloves hair hand_on_another's_head hand_on_head hand_up heart human humanoid male monster monster_boy one_eye_closed oni-no-kawara open_mouth papyrus_(undertale) piggyback red_gloves short_hair size_difference skeleton smile striped_clothes striped_shirt two-tone_background undead undertale upper_body white_background 1other 2010s 2016 2boys 2d ambiguous_gender annoying_dog blue_jacket boots branch brothers brown_boots brown_footwear brown_hair child digital_media_(artwork) dog domestic_dog footwear frisk_(undertale) full_body gloves hair human humanoid jacket male mammal monster monster_boy on_tree oni-no-kawara papyrus_(undertale) piggyback red_boots red_footwear red_gloves sans sans_(undertale) short_hair siblings simple_background skeleton standing striped_clothes striped_shirt tree tree_branch undead undertale white_background white_fur 1boy 1other 2010s 2016 2d ambiguous_gender artist_logo artist_name brown_hair carrying carrying_person child closed_eyes digital_media_(artwork) duo frisk_(undertale) gloves hair hug human humanoid male monster monster_boy papyrus_(undertale) red_gloves short_hair simple_background size_difference skeleton smile tumblr_username two-tone_background undead undertale upper_body whitepaperrabbits 1girl 1other 2010s 2016 2d ambiguous_gender anthro artist_name book brown_hair child couch digital_media_(artwork) eating female floppy_ears food frisk_(undertale) fur furniture furry furry_female goat goat_ears goat_girl goat_horns horns human mammal monster monster_girl pie reading short_hair simple_background sitting sitting_on_lap toriel tumblr_username two-tone_background undertale white_fur white_horns whitepaperrabbits 1other 2010s 2016 ambiguous_gender artist_name boots brown_hair child cute flower flower_crown frisk_(undertale) full_body hair heart holding holding_flower human open_mouth running short_hair simple_background solo tumblr_username two-tone_background undertale whitepaperrabbits yellow_flower 1other 2010s 2016 2d 3boys 3girls alphys ambiguous_gender animated anthro anthro_only asgore_dreemurr beard black_eyepatch blinking blonde_hair blue_body blue_jacket blue_skin brothers brown_hair closed_eyes copyright_name digital_media_(artwork) dinosaur dinosaur_girl ear_fins eyepatch facial_hair female fins fish fish_girl floppy_ears frisk_(undertale) fur furry furry_female furry_male glasses gloves goat goat_boy goat_ears goat_girl goat_horns grin hair head_fins horns human humanoid jacket knocker12 lizard lizard_girl long_hair male mammal monster monster_boy monster_girl multiple_boys multiple_girls open_eyes papyrus_(undertale) red_gloves redhead reptile reptile_girl sans sans_(undertale) scalie short_hair siblings simple_background skeleton smile toriel undead undertale undyne upper_body white_background white_fur white_horns 1other 2010s 2016 2d 3girls 4boys alphys ambiguous_gender anthro anthro_only asgore_dreemurr beard black_eyepatch blonde_hair blue_body blue_jacket blue_skin brothers brown_hair cape digital_media_(artwork) dinosaur dinosaur_girl ear_fins eyepatch facial_hair female fins fish fish_girl floppy_ears frisk_(undertale) full_body fur furry furry_female furry_male glasses gloves goat goat_boy goat_ears goat_girl goat_horns group hair head_fins holding holding_stick horns human humanoid jacket knocker12 labcoat lizard lizard_girl lizard_tail long_hair male mammal mettaton monster monster_boy monster_girl multiple_boys multiple_girls one_eye_closed papyrus_(undertale) purple_robe red_gloves redhead reptile reptile_girl reptile_tail robe robot sans sans_(undertale) scalie short_hair siblings simple_background skeleton stick toriel undead undertale undyne walking white_background white_fur white_horns 2010s 2016 2boys 2d animated black_pants blue_jacket boots brothers cape digital_media_(artwork) duo footwear forest full_body gasterblaster gloves humanoid jacket knocker12 male male_only monster monster_boy outdoors papyrus_(undertale) pink_footwear pink_slippers red_boots red_cape red_gloves sans sans_(undertale) siblings skeleton skull snow standing tree undead undertale