2015 2boys 2d black_shorts blue_footwear blue_jacket blue_shorts boots brothers digital_media duo fangs full_body gloves hand_in_pocket hand_on_own_chest hand_on_own_hip height_difference hood hood_down hooded_jacket humanoid jacket looking_at_viewer male male_only mewshuu monster monster_boy multiple_boys one_eye_closed open_mouth outside_border papyrus_(undertale) pointing pointing_at_another red_footwear red_gloves red_scarf round_border sans_(undertale) scarf shorts siblings signature simple_background skeleton slippers striped striped_pants teeth two-tone_background undead undertale watermark white_stripes