1:1 1:1_aspect_ratio 1girl 2010s 2016 2d 2d_(artwork) anthro anthro_only bad_id bad_tumblr_id blue_body blue_skin breasts deviantart digital_media_(artwork) ear_fins eye_patch eyepatch female_anthro female_only fish fish_girl hair hand_behind_back long_hair marine midriff monster monster_girl navel non-mammal_breasts non-mammal_navel ponytail red_hair red_ponytail slit_pupils solo_anthro solo_female swimsuit third-party_source transparent_background undertale undertale_(series) undyne video_game_character video_games x-zippercreepypasta yellow_sclera yellow_swimsuit 1:1 1:1_aspect_ratio 1_girl 1girl 2010s 2016 2d 2d_(artwork) anthro anthro_only bad_id bad_tumblr_id blue_body blue_skin breasts deviantart digital_media_(artwork) duplicate ear_fins eye_patch eyepatch female_anthro female_only fish fish_girl hair hand_behind_back long_hair lower_resolution_duplicate marine midriff monster navel non-mammal_breasts non-mammal_navel ponytail red_hair red_ponytail slit_pupils solo_anthro solo_female swimsuit third-party_source undertale undertale_(series) undyne video_game_character video_games white_background x-zippercreepypasta yellow_sclera yellow_swimsuit