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1girl 1other 2020s 2021 2d ambiguous_gender animated animated_gif anthro artist_name blue_shirt boots brown_hair chimo_(utdt_game) christmas digital_media duo female floppy_ears frisk_(undertale) fur furry furry_female gift_box goat goat_ears goat_girl goat_horns grin horns human jacket kneeling mammal monster monster_girl pale_background red_boots red_jacket santa_hat short_hair shorts simple_background spinning spread_arms striped striped_shirt toriel undertale white_fur white_horns 1boy 1girl 2010s 2016 2d age_difference aged_down anthro asgore_dreemurr beard blonde_hair blue_skin boots brown_pants cape child closed_eyes crown digital_media duo ear_fins facial_hair female female_child fins fish fish_girl floppy_ears furry furry_male goat goat_boy goat_ears goat_horns head_fins horns ian621_(u6cj8482621) magic male mammal monster monster_boy monster_girl outside_border overalls pink_shirt purple_cape red_boots redhead short_hair sitting size_difference spear striped striped_legwear teeth trident two-tone_background undertale undyne upper_teeth_only weapon white_background white_fur white_horns yellow_background 1boy 2020s 2023 2024 2d back black_background blue_shorts boots cape chibi copyright_name dark_background digital_media full_body gloves humanoid long_gloves looking_at_viewer looking_back male male_focus male_only monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves shorts simple_background skeleton solo text tuku_rugk undead undertale 2020s 2024 2boys 2d artist_name black_pants blue_jacket blue_shorts boots brothers cape chibi clenched_hands digital_media drawstring full_body gloves grey_hood hands_up holding hood hood_down hooded_jacket humanoid jacket long_gloves male male_only monster monster_boy one_eye_closed orange_background outside_border pants papyrus_(undertale) red_boots red_cape red_gloves sans_(undertale) shorts siblings skeleton slippers sparkle striped striped_pants tuku_rugk twitter_username two-tone_background undead undertale white_stripes 1boy 2020s 2022 2d blue_shorts bone boots cape digital_media gloves holding holding_bone humanoid male male_only monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves sakito_(mg_1016) shorts simple_background skeleton solo source_request undead undertale white_background 1boy 2020s 2022 2d blue_shorts bone boots cape commentary digital_media gloves humanoid legs_up male male_only monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves sakito_(mg_1016) shorts skeleton solo undead undertale 1boy 2020s 2022 2d artist_name black_background blue_shorts bone boots cape dark_background digital_media gloves hand_on_own_face heart humanoid index_finger_raised male male_only monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves sakito_(mg_1016) shorts simple_background skeleton solo undead undertale 1boy 2020s 2022 2d artist_name boots cape closed_mouth digital_media gloves hand_on_own_knee holding humanoid long_gloves looking_at_viewer male male_only monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves sakito_(mg_1016) skeleton solo undead undertale 1boy 2020s 2022 2d artist_name blue_flower blue_rose boots cape closed_mouth copyright_name digital_media english_text feet_out_of_frame flower gloves half-closed_eyes holding humanoid long_gloves lying male male_only monster monster_boy on_stomach papyrus_(undertale) petal plant red_boots red_cape red_gloves rose sakito_(mg_1016) skeleton solo text undead undertale yellow_flower 1boy 2020s 2022 2d alternate_costume artist_name boots cape gloves holding humanoid long_gloves male male_only monochrome monster monster_boy motor_vehicle motorcycle one_eye_closed papyrus_(undertale) red_boots red_cape red_gloves sakito_(mg_1016) simple_background skeleton solo spot_color traditional_media undead undertale vehicle 2010s 2015 2boys 2d azurite-draws black_pants blue_jacket blue_shorts boots brothers cape digital_media duo full_body gloves grey_footwear grey_slippers hand_on_own_hip humanoid jacket looking_at_viewer male male_only monster monster_boy pants papyrus_(undertale) red_boots red_cape red_gloves sans_(undertale) shorts siblings simple_background skeleton slippers standing striped striped_pants undead undertale white_background white_stripes 1boy 2020s 2023 2d 8gilol back blue_shorts bone boots cape digital_media full_body gloves hand_on_own_hip holding holding_bone humanoid legs_apart male male_only monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves sakekuzu_no_ame shorts simple_background skeleton solo twitter_username undead undertale white_background >_< 1boy 1girl 2020s 2023 2d 8gilol animal arm_support blue_shorts boots cape digital_media duo figure_four_sitting foot_out_of_frame full_body fur gloves humanoid male monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves sakekuzu_no_ame shorts simple_background sitting skeleton temmie twitter_username undead undertale white_background white_fur 1girl 2010s 2016 2boys 2d anthro arm_around_neck black_eyepatch black_pants black_tank_top blue_jacket blue_shorts blue_skin boots brothers cape clenched_hands commentary digital_media ear_fins english_commentary eyepatch female fins fish fish_girl flexing full_body gloves hair head_fins humanoid jacket long_hair male monster monster_boy monster_girl pants papyrus_(undertale) pink_slippers ponytail red_boots red_cape red_gloves red_hair sans_(undertale) sharp_teeth shorts siblings skeleton slippers striped striped_pants tank_top trio undead undertale undyne veinsfullofstars 1boy 2020s 2023 2d black_background blue_shorts bone boots cape chromatic_aberration cowboy_shot dark_background digital_media film_grain gloves holding holding_bone humanoid long_gloves male male_only monster monster_boy open_mouth papyrus_(undertale) red_boots red_cape red_gloves shorts simple_background skeleton solo tuku_rugk undead undertale 1boy 2020s 2023 2d arm_support blue_shorts bone boots cape chromatic_aberration clenched_hand closed_mouth cloud day digital_media film_grain floating_cape gloves holding holding_bone humanoid long_gloves male male_only monster monster_boy outdoors papyrus_(undertale) red_boots red_cape red_gloves shorts sitting_on_stairs skeleton sky solo stairs tuku_rugk undead undertale uneven_eyes 1boy 1other 2020s 2024 2d ambiguous_gender artist_name blue_shorts bone boots brown_hair cape child digital_media duo forest frisk_(undertale) gloves hand_on_own_hip heart holding holding_stick human humanoid male mewpet monster monster_boy outdoors papyrus_(undertale) pine_tree red_boots red_cape red_gloves scenery short_hair shorts skeleton snow stick tree undead undertale wide_shot 2020s 2021 2boys 2d black_shorts blue_background blue_jacket blue_shorts bone boots border brothers cape checkered_background chromatic_aberration digital_media duo floating_object food gloves hand_in_pocket hand_on_own_chest hot_dog humanoid jacket ketchup ketchup_bottle male male_only monster monster_boy one_eye_closed outside_border papyrus_(undertale) pasta pink_slippers plate red_boots red_cape red_gloves sans_(undertale) shorts siblings skeleton slippers socks spaghetti striped striped_shorts two-tone_background undead undertale white_border white_socks white_stripes xxoxxkm_(pixiv_id_3871107) 1boy 1other 2020s 2021 2d ambiguous_gender animated animated_gif ball blue_shorts boots bouncing brown_hair cape chimo_(utdt_game) digital_media duo frisk_(undertale) gloves hand_on_own_chest hands_on_own_knees human humanoid knees_up looping_animation male monster monster_boy open_mouth papyrus_(undertale) red_boots red_cape red_gloves short_hair shorts simple_background sitting skeleton sparkle undead undertale yellow_background 1boy 1other 2010s 2016 2d ambiguous_gender animated animated_gif bone boots brown_hair cape character_name davitsu digital_media english_text frisk_(undertale) gameplay_mechanics gloves hand_on_own_hip health_bar heart human humanoid male male_focus monster monster_boy papyrus_(undertale) pixel_art red_boots red_cape red_gloves red_scarf scarf short_hair skeleton solo_focus swaying text undead undertale 1boy 2020s 2022 2d artist_name blue_shorts boots cape closed_mouth dated digital_media full_body gloves grey_background hand_on_own_hip hand_up humanoid male male_only monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves shorts simple_background skeleton sketchyspook solo undead undertale 1boy 2020s 2021 2d artist_name blue_shorts bone boots cape chronicat closed_eyes closed_mouth digital_media full_body gloves hand_on_own_hip happy humanoid male male_only monster monster_boy outside_border papyrus_(undertale) red_boots red_cape red_gloves shorts skeleton smile solo undead undertale 1boy 2020 2020s 2d blue_shorts boots cape commentary digital_media english_commentary foreshortening full_body gloves hand_on_own_hip humanoid jdraunidalo male male_only monster monster_boy papyrus_(undertale) pointing red_boots red_cape red_gloves shorts skeleton solo transparent_background undead undertale 1boy 2010s 2016 2d artist_name blue_shorts boots cape digital_media full_body gloves hands_on_own_hips humanoid male male_only monster monster_boy open_mouth papyrus_(undertale) red_boots red_cape red_gloves shorts skeleton solo standing tumblr_username undead undertale v0idless 1boy 1other 2020 2020s 2d ambiguous_gender blue_shirt boots brown_hair carrying carrying_person closed_eyes commentary digital_media duo flower frisk_(undertale) gloves height_difference hug human humanoid kiss korean_commentary leaning_forward male monster monster_boy papyrus_(undertale) red_boots red_gloves short_hair sitting size_difference skeleton soseji_(tjduswjd) striped_shirt undead undertale 1girl 2010s 2016 2boys 2d anthro arm_around_neck black_eyepatch black_pants black_tank_top blue_jacket blue_shorts blue_skin boots brothers cape clenched_hands commentary digital_media duplicate ear_fins english_commentary eyepatch female fins fish fish_girl flexing full_body gloves hair head_fins humanoid jacket long_hair male monster monster_boy monster_girl pants papyrus_(undertale) pink_slippers ponytail red_boots red_cape red_gloves red_hair redhead sans_(undertale) sharp_teeth shorts siblings skeleton slippers striped striped_pants tank_top trio undead undertale undyne veinsfullofstars 2010s 2015 2boys 2d black_pants blue_jacket blue_shorts blue_slippers boots brothers cape closed_eyes digital_media duo full_body gloves green_background hand_on_own_hip humanoid index_finger_raised jacket jennifer_stolzer_(jameson9101322) leaning_forward looking_at_another male male_only monster monster_boy open_mouth outstretched_arms pants papyrus_(undertale) red_boots red_cape red_gloves sans_(undertale) shorts siblings simple_background skeleton slippers two-tone_background undead undertale white_background 2010s 2015 2boys 2d battle black_pants blue_jacket blue_shorts bone boots brothers cape clenched_hand commentary digital_media duo english_commentary foreshortening full_body gasterblaster gloves glowing glowing_eye grey_hood heart hood hood_down humanoid jacket jennifer_stolzer_(jameson9101322) male male_only monster monster_boy outstretched_arms pants papyrus_(undertale) reaching reaching_out red_boots red_cape red_gloves sans_(undertale) shorts siblings signature skeleton skull striped striped_pants undead undertale 2010s 2016 2boys 2d black_pants blue_jacket blue_shorts boots brothers cape commentary digital_media duo english_commentary footprints gloves hands_in_pockets humanoid jacket male male_only marcelnehlsen monster monster_boy open_hands pants papyrus_(undertale) pine_tree pink_slippers red_boots red_cape red_gloves sans_(undertale) shorts siblings skeleton slippers snow stalactite tree undead undertale 2010s 2016 2boys 2d artist_name black_pants blue_eye blue_eyes blue_jacket blue_shorts bone boots brothers cape commentary digital_media dual_wielding duo english_commentary full_body gasterblaster gloves glowing glowing_eye glowing_eyes hand_in_pocket holding holding_bone humanoid jacket legs_apart mables-fables male male_only monster monster_boy one_eye_closed orange_eyes pants papyrus_(undertale) red_boots red_cape red_gloves sans_(undertale) shorts siblings skeleton skull slippers snow undead undertale white_slippers 2010s 2016 2boys 2d black_pants blue_jacket blue_shorts boots brothers cape digital_media door duo gloves hand_up hands_in_pockets horhe124 house humanoid jacket male male_only monster monster_boy pants papyrus_(undertale) red_boots red_cape red_gloves sans_(undertale) shorts siblings skeleton slippers standing striped striped_pants undead undertale wall white_slippers window 1other 2020 2020s 2boys 2d ambiguous_gender black_pants blue_background blue_jacket blue_shorts boots brothers brown_hair cape child digital_media frisk_(undertale) full_body gloves grey_hood hand_over_head height_difference hood hood_down human humanoid jacket leaning_forward male monster monster_boy pants papyrus_(undertale) pink_slippers red_boots red_cape red_gloves sans_(undertale) searching short_hair shorts siblings simonsoys simple_background skeleton slippers socks striped striped_pants trio undead undertale 1boy 2020 2020s 2d blue_shorts boots cape commentary digital_media english_commentary full_body gloves hand_on_own_hip humanoid male male_focus male_only monster monster_boy papyrus_(undertale) red_boots red_cape red_gloves shorts simonsoys simple_background skeleton solo standing undead undertale white_background 1other 2020s 2021 2boys 2d ambiguous_gender artist_name black_pants blue_jacket blue_shorts boots brothers brown_hair cape clenched_hands commentary digital_media english_commentary frisk_(undertale) full_body gloves human humanoid jacket male monster monster_boy outdoors pants papyrus_(undertale) pink_slippers red_boots red_cape red_gloves sans_(undertale) short_hair shorts shoulder_carry siblings skeleton sleeping slippers snow squimpus striped striped_pants sweatdrop trio twitter_username undead undertale watermark 1boy 2020 2020s 2d artist_name blue_shorts boots cape clenched_hand commentary digital_media english_commentary full_body gloves heart humanoid male male_only monster monster_boy outdoors papyrus_(undertale) red_boots red_cape red_gloves shorts skeleton snow solo squimpus tree twitter_username undead undertale watermark 1other 2010s 2016 2boys 2d ambiguous_gender blue_jacket blue_shorts boots brothers brown_hair cape child commentary cubedcake digital_media drawstring english_commentary finger_gun frisk_(undertale) gloves hand_on_own_chin hand_on_own_hip human humanoid jacket male monster monster_boy one_eye_closed papyrus_(undertale) pink_slippers pointing red_boots red_cape red_gloves sans_(undertale) short_hair shorts siblings skeleton slippers star_(symbol) trio undead undertale white_background wink 1other 2020s 2023 2boys 2d ambiguous_gender artist_name black_pants blue_jacket blue_shorts boots brothers brown_hair cape child clenched_hands closed_eyes commentary digital_media frisk_(undertale) fuafuakko full_body gloves hand_on_another's_head hands_in_pockets holding holding_paper holding_stick human humanoid jacket japanese_commentary male monster monster_boy multiple_views one_eye_closed outside_border pants paper papyrus_(undertale) pink_slippers red_boots red_cape red_gloves running sans_(undertale) short_hair shorts shoulder_carry simple_background skeleton slippers squatting stacking standing stick striped striped_pants trio twitter_username undead undertale walking 1other 2020s 2023 2boys 2d ambiguous_gender artist_name black_pants blue_jacket blue_shorts boots brothers brown_hair cape child commentary digital_media frisk_(undertale) fuafuakko full_body gloves happy hug human humanoid jacket japanese_commentary kneeling male monster monster_boy on_one_knee one_eye_closed open_mouth pants papyrus_(undertale) pink_background pink_slippers red_boots red_cape red_gloves sans_(undertale) short_hair shorts signature simple_background size_difference skeleton slippers socks trio twitter_username undead undertale white_gloves white_socks 2020s 2024 2boys 2d artist_name black_background black_pants blue_jacket blue_shorts bone boots border brothers cape clenched_hand commentary copyright_name digital_media duo fuafuakko full_body gloves glowing_eye glowing_eyes hands_in_pockets holding holding_bone humanoid jacket japanese_commentary male male_only monster monster_boy outline pants papyrus_(undertale) pink_slippers red_boots red_cape red_gloves sans_(undertale) shorts siblings simple_background skeleton slippers striped striped_pants twitter_username undead undertale white_border white_outline 2020s 2022 2boys 2d artist_name black_pants blue_jacket blue_shorts boots brothers cape carrying carrying_over_shoulder carrying_person carrying_under_arm child_carry closed_eyes commentary digital_media dragging duo fuafuakko full_body gloves hand_on_own_hip hands_together height_difference holding holding_footwear humanoid jacket japanese_commentary lifting lifting_person male male_only monster monster_boy multiple_views pants papyrus_(undertale) pink_slippers puff_of_air red_boots red_cape red_gloves sans_(undertale) shorts siblings simple_background size_difference skeleton slippers striped striped_pants twitter_username undead undertale walking white_stripes 2020s 2023 2boys 2d artist_name black_pants blue_jacket blue_shorts boots brothers brown_background cape commentary digital_media duo fuafuakko full_body gloves hand_on_own_hip height_difference humanoid jacket japanese_commentary leaning_forward male male_only monster monster_boy outline pants papyrus_(undertale) pink_slippers red_boots red_cape red_gloves sans_(undertale) shorts siblings simple_background size_difference skeleton slippers striped striped_pants twitter_username undead undertale white_outline white_stripes 2020s 2023 2boys 2d abstract_background artist_name black_pants blue_jacket blue_shorts boots brothers brown_background cape commentary digital_media duo fuafuakko full_body gloves hand_on_own_chest hands_in_pockets height_difference humanoid jacket japanese_commentary male male_only monster monster_boy outline outstretched_arm pants papyrus_(undertale) pink_slippers red_boots red_cape red_gloves sans_(undertale) shorts siblings simple_background size_difference skeleton slippers striped striped_pants twitter_username undead undertale white_outline white_stripes