[[quoteright:317:[[VideoGame/FinalFantasyIX http://static.tvtropes.org/pmwiki/pub/images/kuja.jpg]]]]
[[caption-width-right:317:[-Hey everyone, it's time to play "Guy or Girl?"-][[note]]In [[VideoGame/FinalFantasyIX this case]], [[DudeLooksLikeALady guy]].[[/note]]]]

->'''Snake:''' [Yoshi] lays eggs and throws them, right? …then it must be female.\\
'''Otacon:''' ...actually, it's a "he". At least, that's what it says.
-->-- '''Snake's Codec conversation on Yoshi''', ''VideoGame/SuperSmashBros Brawl''

You have been watching this series for a while, be it since childhood or since yesterday. You are just in the middle of an exciting scene where [[NamesToRunAwayFromReallyFast Miss Lovecuddles]] reveals that she was actually [[TheManBehindTheMan behind everything that]]… wait a minute, ''Miss''? He's not a ''boy''?

Congratulations, you've just become a happy victim of Viewer Gender Confusion!

Sometimes this is because a cheap dub uses badly CrossDressingVoices, sometimes because the language you're enjoying your story in [[LostInTranslation doesn't have gender differentiated pronouns]], or because they have a [[GenderBlenderName name rarely used for that gender]], or it was clear from the beginning and you were just holding the IdiotBall for the day and missed it fabulously.

Compare ShesAManInJapan, where the character's gender actually ''was'' changed while adapting {{Bifauxnen}} and SamusIsAGirl, where you are expected to be mistaken at first, and AmbiguousGenderIdentity, where the characters sex is (probably) known but their gender isn't. Contrast (or compare?) DudeLooksLikeALady or LadyLooksLikeADude when it's other characters who are confused.

See also AmbiguousGender for characters who have no canonically stated gender, and ViewerSpeciesConfusion for when it happens to an animal or other non-human character. May be solved with the use (or lack) of TertiarySexualCharacteristics. Can be seen as the viewer-perspective version of UnsettlingGenderReveal. Anything that makes the character's sex obvious may act as a GenderReveal.

!!Examples Subpages:
* ViewerGenderConfusion/AnimeAndManga
* ViewerGenderConfusion/VideoGames
* ViewerGenderConfusion/WebComics
* ViewerGenderConfusion/WesternAnimation
* ViewerGenderConfusion/RealLife


* Nearly any modern portrayal of Mori Ranmaru falls heavily into this if you aren't already aware of the historical figure. Historical artwork of him is a bit better.
* Recent artwork of Hindu gods or goddesses tends to portray them all as quite {{Bishonen}}. This is only partly true for historical depictions; while male figures were still drawn or sculpted as lithe, slender, and smooth-skinned, the secondary sexual characteristics of ''females'' were… much less ambiguous.
* Renaissance-era depictions of The Beloved Disciple (John) and sometimes even John the Baptist (!) show beardless pretty boys who could be taken for girls.
* ''Art/TheLastSupper'''s depiction of John is often mistaken for a woman due to Leonardo's attempt to convey youth through John's his long hair and lack of a beard. This confusion has lead to wild mass guessing that Leonardo's John is supposed to be a depiction of Mary of Magdala, although this idea leaves Jesus with an Apostle missing from his supper.

[[folder:Comic Books]]
* While Siobhan from ''ComicBook/AnyasGhost'' does have a feminine name, it's a very obscure Irish one, and she dresses in a male school uniform, complete with necktie, for the entire story. She isn't even referred to with female pronouns until well past the halfway point of the book.
* Xarcce Huwla of the ''ComicBook/XWingSeries'' is an alien Tunroth, making her big, muscular, and with a very inhuman face. Since these comics were drawn with minimal concern for {{Fanservice}}, even when [[http://img218.imageshack.us/img218/9660/swrsmr113ln1.jpg sparring in tight clothing]] her body is easily taken for male, and since she's largely out of focus pronouns only come up a few times. It's much the same with Ibtisam the Mon Calamarian, who looks almost exactly like (male) Admiral Ackbar if you discount her having light blue skin instead of red.
* In the graphic novel ''Level Up,'' one of the angels (the one with orange hair) appears to be a girl, but when she reveals her true form as [[spoiler:a Pac-Man ghost]] and [[spoiler:Dennis eats her]], she is referred to with male pronouns. However, [[spoiler:he/she may have NoBiologicalSex due to being not a human ghost, but an AnthropomorphicPersonification of a broken promise Dennis's father made to his dad.]]

[[folder:Comic Strips]]
* ''ComicStrip/KrazyKat'' never displayed a specific gender trait of any type, but was in an ongoing love triangle of sorts between two identifiably male characters.
* While this was less true in the early days, post 80s, some people begun to mistake Peppermint Patty from ''ComicStrip/{{Peanuts}}'' due to a mixture of Schultz drawing her with shorts (rather than a skirt, to illustrate that she is a tomboy), [[ValuesDissonance longer hair on younger boys becoming more acceptable than it was in the 50s and 60s]], Marcie always calling her "Sir", as well as [[CrossdressingVoices her being voiced by an actual boy in the specials]], Patty has been mistaken for a boy later on. This has, however, still contributed to a few [[LesYay popular theories]] about her and Marcie's relationship.

[[folder:Fan Works]]
* Yume Ni's [[http://akaichounokoe.deviantart.com/art/Yume-Ni-Yakumo-481456144 official artwork]] from the ''Fanfic/Gensokyo20XX'' series has her looking similar to a boy, aside from her eyelashes. We also get this Enoki, whose appearance was initially [[http://akaichounokoe.deviantart.com/art/Mushrooms-460237760?q=sort%3Atime%20((mushrooms)%20AND%20(by%3AAkaiChounokoe))&qo=2 gender neutral,]] however, by ''20XXV'', she was identified to be female and had [[http://akaichounokoe.deviantart.com/art/Mushrooms-II-466748722a new picture,]] complete with TertiarySexualCharacteristics.
* From the FanWebcomic Webcomic/KillLaKillAU, if it wasn't stated or shown to a certain degree otherwise, you probably would have thought Mako was a boy. Likewise, same can occur for Shiro.

[[folder:Films -- Animation]]
* Swift Heart in ''WesternAnimation/TheCareBearsAdventureInWonderland'' is revealed to be a girl.
* ''Franchise/WinnieThePooh'': Rabbit and Piglet (both male) are often mistaken to be female by those not familiar with the franchise. Even those who are big fans often think that way despite knowing better.
** Rabbit's voice sounds like it could be a high-pitched man or a low-pitched woman (all of his voice actors have been male), he's AmbiguouslyGay (wears a pink bathrobe, curlers, frilly aprons and can ballet dance) and is SuperOCD.
*** His voice in ''Disney/TheManyAdventuresOfWinnieThePooh'' (provided by Junius Matthews) sounds the most feminine and high-pitched, and because of this, [[ShesAManInJapan the original 1967-1975 German dubs of the featurettes have him as a female character]].
** Piglet also has a high-pitched voice wears a pink swimsuit-like outfit and has a shy and submissive personality. His American voice actors have all been male, but some of his foreign ones were female.
*** The original voice actor for Piglet was John Fiedler (possibly best known as Mr. Peterson, the older, balding, patient on ''The Bob Newhart Show''), who did have a rather breathy and high-pitched voice. Subsequent American voice actors have mostly tried to imitate Fiedler's voice (Fiedler himself died in 2005).
* ''WesternAnimation/TheBraveLittleToaster'':
** One of the strangest examples is the title character. In the book, not only is the toaster explicitly without gender, but this is something of a plot point when the group encounters a mated pair of squirrels that cannot conceive of a genderless being (the toaster ultimately convinces both of them separately that it is the same gender as they --male for the male and female for the female --but really it's just to spare their feelings). For the film, however, fans are pretty evenly split between "the Toaster is male" and "the Toaster is female". A few lines of dialogue suggest explicitly that Toaster is male: firstly, Lampy says that "He sank" in the waterfall scene; secondly, Radio refers to Toaster and Blanky as "you boys" at the beginning of the journey; and thirdly, some of the song lyrics refer to the five characters as "the new boys in town." In addition, promotion material and trailers (such as [[https://www.youtube.com/watch?v=bpGLpD25dpU this one]]) refer to the Toaster as male. Nevertheless, Toaster's personality is fairly gender-neutral, and thanks to CrossDressingVoices, the fact that Toaster's voiced by a woman is no help. And ''we're still talking about a machine''. Ultimately, the toaster can be viewed as a gender-neutral character by those who want to. The voice acting, actions, attitudes, fears, thoughts, and character development do not suggest any particular gender, but don't suggest [[AmbiguousGender It's Pat-style androgyny]] or [[NoBiologicalSex a robot]] either. The Slippy Toad demeanor and voiceover begs the question, but the only reason you'd consider the toaster's gender is if you think about it years after watching, or if someone else brings up the question.
** Blanky is just as bad. The fact that he/she/it is TheChick in the Toaster's FiveManBand doesn't help.
* ''Disney/{{Bambi}}'':
** Who really can be mistaken for female is Flower, the skunk. When he is a child, his voice and speech patterns sound nothing like a male, he acts shy and bashful, is very fluffy, and spends much of his time smelling flowers. A couple years after his introduction, when Bambi meets him again, his voice has deepened and he gets an only slightly more effeminate girlfriend. There is the picture book of the Disney movie that actually called Flower a female, and [[MisterSeahorse made "her" a]] ''[[MisterSeahorse mother!]]''
** Bambi himself is also a subject to this when he's a child. As an adult he's quite obviously male, though.
** ''Film/BambiII'' did hang a lampshade on this when a young Ronno called Bambi "Princess" as an insult.
* The leader of the Blue Meanies from ''WesternAnimation/YellowSubmarine''.
* The makers of ''WesternAnimation/MonstersVSAliens'' themselves seem to be confused over the gender of Insectosaurus. A behind-the-scenes book labels the creature as a "she" while, within the canon of the actual film, the monster is a "he".
* The twin dolls 3 and 4 in ''[[WesternAnimation/{{Nine}} 9]]'' look completely identical (save for their stamped-on numbers), [[SingleMindedTwins act alike]], and never speak, making it completely ambiguous as to what gender either of them is. This is compounded by the fact that, as ''living ragdolls'', they don't have any external characteristics indicative of sex. The creator has urged fans to come up with their own theories regarding the two.
* In the Chinese animated film ''Nezha Conquers the Dragon King'' (1979), the title character is a little boy but he looks and acts more like a little girl--the hair style, clothing, and voice don't help either.
* The starfish, Peach, in ''WesternAnimation/FindingNemo''. Its voice actor is a woman, but her voice is just masculine enough to make it sound like a guy. Conceivably intentional, as some varieties of starfish are hermaphroditic.
* ''Disney/{{Tarzan}}'':
** Terk (voiced by Rosie O'Donnell) is frequently mistaken for male despite her mom stating otherwise in the first minutes of the film. This has been lampshaded by Tantor in ''WesternAnimation/TheLegendOfTarzan''. Adding to the confusion, the stage musical adaptation [[GenderFlip made Terk a male]].
** Sabor, the leopard, is female but even ''VideoGame/KingdomHearts'' labeled her as male. She has no TertiarySexualCharacteristics and doesn't speak.
* A large number of viewers of trailers for ''WesternAnimation/KungFuPanda'', who were unaware of just whom Creator/AngelinaJolie had been cast as, were in for a shock when they finally saw the film and Master ''Tigress'' spoke for the first time. In everyone's defense, not only did the lack of TertiarySexualCharacteristics make it very hard to tell her gender, even her voice actress originally assumed, when the casting call was made public, that Creator/JackieChan would be playing the tiger. This confusion only added to the StupidSexyFlanders associated with the character ([[GirlsLove although for some viewers]] it didn't lessen the appeal).
* Not many people would have thought Kazuma from ''Anime/SummerWars'' was a guy, given both his hair-style, CrossDressingVoice and VagueAge, which all fits somewhat perfectly for a GamerChick stereotype. His online avatar is even a rabbit (however, this rabbit is a badass).
* Two of the background race cars from ''WesternAnimation/{{Cars}}'': According to their toy bios, the pink race car sponsoring Tank Coat is actually male, and the blue race car sponsoring [=RevNGo=] is actually female.
* Laverne, one of Quasimodo's gargoyle friends in ''Disney/TheHunchbackOfNotreDame'', is apparently female (as far as stone can have a gender).
* Remember the [[BigLippedAlligatorMoment alligator]] from ''WesternAnimation/AllDogsGoToHeaven''? You always thought it was a female, right? WRONG. He's male. It doesn't help that he's never mentioned by name in the film ([[AllThereInTheManual only in tie-in materials]]). Otherwise, the fact that his name is '''King''' Gator would be a huge hint to his gender. His singing voice is also very masculine, but could be heard as a deep female voice too.
* Rolly from ''Disney/OneHundredAndOneDalmatians''. In the animated series and his cameo in ''WesternAnimation/HouseOfMouse'', he's been given a blue collar. Only female puppies [[TrueBlueFemininity wear blue]], the boys all [[TertiarySexualCharacteristics wear red]]. Oddly he's the ''only'' male to be given a blue collar and he's still clearly referred to as male.
* Doris from the ''Franchise/{{Shrek}}'' is actually female. For those of you who ''did'' already know that, it is pretty easy to mistake her for being male, and [[https://shakesville.wordpress.com/2007/06/.../shrek-wants-your-kids-to-be-transvestites/ many]] [[http://www.towleroad.com/2007/06/blog_issues_tra/ old]] [[http://www.freerepublic.com/focus/f-news/1157896/posts articles]] refer to her as 'he'.
* ''WesternAnimation/TheIncredibles'' has Edna Mode, or "E", who first-time viewers sometimes mistake for a guy. This can mostly be attributed to her not having the traditional TertiarySexualCharacteristics, or a noticeable figure; not to mention being voiced by the film's ''director'', [[CrossdressingVoices Brad Bird]], for extra androgynous points.
* Cupcake from ''WesternAnimation/RiseOfTheGuardians''. She wears pink clothes and a skirt, and is obsessed with horses and unicorns, but looks more like a boy than a girl, and can easily be mistaken for one.
* ''Disney/WreckItRalph'':
** Rancis Fluggerbutter. He's one of the few boys among the Sugar Rush racers, his hair is long enough to be mistaken for a girl's pixie cut, and his name is based off of the name Francis, which is a boy's name, but which sounds identical to the name Frances, which is a girl's name.
** Swizzle Malarkey is also, surprisingly, a guy. He has long hair and there are more female Sugar Rush racers than there are male, so some fans have gotten confused.
* ''WesternAnimation/HowToTrainYourDragon'' accidentally gave ''male'' Toothless the dragon some feminine symbolism. He regurgitates some food for the main character Hiccup like a mother bird. In a scene where he looks at a bird's nest, the intention was to show how Toothless wanted to fly, but the camera lingered on the eggs for a bit too long, so it seemed like Toothless wanted to get back to ''his own'' eggs rather than wanting to fly. The way he holds onto Hiccup at the climax of the film resembles a mother and her newborn child. To be fair, in many bird species, males participate in taking care of the young just as much, if not more, than females (and in some species, "sex role reversal" appears and males take over parental care entirely from females). This could as well be the case for Night Fury dragons.
* The baby Lady's owners have in ''Disney/LadyAndTheTramp'' always wears pink and has a very pink room with bows on their crib. He is however a boy and it wasn't uncommon in TheGayNineties for boys to wear pink. The sequel film, which was created in the 2000s, altered his design so that he wears blue instead of pink.
* Mei from ''Literature/ArashiNoYoruNi'' is an [[RidiculouslyCuteCritter exceedingly adorable]] little goat who sometimes wears a pink handkerchier. He is paired with the much larger Gabu, who is a scruffy looking wolf. The entire film has them running away together to escape their clans judgement on their friendship. It's not uncommon for people to mistake him for a girl, especially since it's common to see the film as a romance, though Mei has an unmistakably adult male voice. Mei was in fact [[AmbiguousGender gender neutral]] in the original books, which caused a lot of fans to assume he was a girl until the movie adaptation. In contrast the AllCGICartoon has him as a female goat.
* Cri-kee from ''Disney/{{Mulan}}'' is officially male, but has no TertiarySexualCharacteristics and a gender neutral name, and on top of that, does not speak.
* The protagonist Tykvenok of the 1984 Soyuzmultfilm short cartoon ''And what can you do?'' (''а что ты умеешь?'') is a pumpkin with visible eyelashes, a flower in its head ([[spoiler: Later lost it after it grew up to save his friends, but was given more flowers in its head at the end]]), and was voiced by veteran voice actress Clara Rumyanova (she provides any number of other cases throughout her career), yet he is always referred to as male. Actually, the Russian word for "pumpkin" is female, but creating female forms for the young is a bit problematic.
* Littlefoot from ''WesternAnimation/TheLandBeforeTime'' could easily be mistaken for a female due his somewhat feminine appearance and voice, soft spoken and polite personality, and eyelashes even though he's usually voiced by a boy. Ostinably made a bit better with the introduction of Ali in the fourth film, who was explicitly colored pink to basically say "I'm female".
* In the 1972 animated adaptation of ''Literature/{{Pinocchio}}'', ''Film/UnBurattinoDiNomePinocchio'' one could easily mistake the titular character as a puppet for a girl, due to having [[CrossDressingVoices a female voice actor]] in both the original Italian and English dubs, having a somewhat feminine looking face, and wearing a pink bonnet and a coat that looks like a dress. However he looks much more masculine when he becomes a real boy.
* To especially young children who overlook her womanly figure and "body language," the gender of Ursula in ''Disney/TheLittleMermaid'' is sometimes a point of confusion, due to her large size, shortish hair and deep alto voice. Of course she was modeled after the drag queen Divine.
** In the live-action theatrical version Ursula is nearly always played by a male actor.

[[folder:Films -- Live-Action]]
* Many a viewer of the original ''Film/{{Stargate}}'' genuinely thought Ra was a woman; Jaye Davidson is [[PrettyBoy just that pretty]].
* This trope is purposely and [[AllThereIsToKnowAboutTheCryingGame famously]] exploited in Neil Jordan's ''Film/TheCryingGame'', also starring Jaye Davidson.
* [[Film/GodzillaVsDestoroyah Destoroyah]] from the ''Franchise/{{Godzilla}}'' franchise was never officially given a gender, but is considered male by most fans. However, that hasn't stopped other fans from thinking he's a female because some aspects of his body structure are similar to that of female crabs.
** And, then there's also Mothra Leo from the [[SpinOff Mothra Film Trilogy]]. For the record, Leo is a boy. Yes, you heard me. A Male Mothra (Mothrus?) despite every single incarnation previous and since being female.
*** Even the dub of the films had trouble with this and constantly referred to Leo as both a "he" and a "she" and even an "it".
** And then there's [[Film/{{Godzilla 1998}} the 1998 remake]] where that version of Godzilla could [[TrulySingleParent reproduce asexually]], causing many to mistaking think ''all'' incarnations were female.
** An interesting variation of this occurs with the monster Rodan. In the original 1956 film ''Film/{{Rodan}}'', both a male and a female Rodan are featured. Since then, fans have argued whether or not the Rodans(?) featured in later films are male or female.
*** The Showa Rodan is a male. Likewise, so is Fire Rodan from the 1993 film ''Film/GodzillaVsMechagodzillaII''. On the other hand, it's never made clear which gender the ''Film/GodzillaFinalWars'' Rodan is.
** Some people have mistaken Gigan, a male cyborg kaiju, for a female due to his high-pitched roar.
** Battra, Mothra's EvilTwin, has also been mistaken for a female; even in officially licensed works.
** And it doesn't end there, with Kroiga from ''Film/LatitudeZero''. With the brain of a human female, but the body of a male lion.
** Kumonga has been mistaken to be a female by the fandom. This is due to the dub of ''Son Of Godzilla'' not using any gender-specific pronouns regarding the giant spider. The original Japanese dub, on the other hand, refers to the monster as a male.
*** Kamacuras is also officially a male, but fans often mistake him for a female. However, since there's more than one Kamacuras, it could be possible at least one or more of them is a girl.
** Godzilla himself, sort of. See, suit actor Creator/HaruoNakajima believes that the Showa Era (1955-1975) Godzilla is a female while the original 1954 monster was a male. However, Toho Studios has stated that all the incarnations of Godzilla that we've seen are male. Considering that the films establish that there is more than one Godzilla, and that infants like Minilla and Junior show that there's a breeding population, the idea of a female Godzilla isn't that far fetched. It's just that we haven't officially seen a lady Godzilla yet.
* There are people out there who think the Newborn from ''Film/AlienResurrection'' is a female. For the record, it's a hermaphrodite. The actual prop used for the film had both ''male and female'' genitalia. This actually applies to all members of the [[FanNickname Xenomorph]] species, even the Queen. H.R. Giger intended the Aliens to be neither male nor female, but an unsettling blur of both sexes.
* Some viewers of ''Film/TheYearOfLivingDangerously'' were surprised to learn that Billy Kwan was played by a woman, Linda Hunt. She's the only actor to receive an Academy Award for playing a character of a different sex.
* Legolas from the 1978 ''WesternAnimation/TheLordOfTheRings'' film. And ''how''!
** Aragorn being confused about Legolas' gender is a RunningGag in ''Webcomic/DMOfTheRings''.
* Creator/JodieFoster's daughter in ''Film/PanicRoom'' (played by the then 11-year old Creator/KristenStewart) has a fairly gender neutral haircut, somewhat androgynous looks and wears uni-sex pyjamas and can easily be mistaken for a boy on first viewing.
* A lot of viewers of ''Film/FatalAttraction'' think that Ellen Gallagher (played by child actress Ellen Hamilton Latzen) is a boy because of her short hair and androgynous face. There are frequent heated debates on [[Website/IMDb The Internet Movie Database]] about whether they "should have [[LongHairIsFeminine cast a girl that looked like a girl]]". It doesn't help that she is seen rehearsing for a school play and playing a male role. Also, some of the adult characters tend to pronounce her name as if they're saying "Alan" instead of "Ellen".
* ''Film/IAmLegend'':
** Sam the German shepherd isn't revealed to be female until she gets hurt, at which point Will Smith calls her by her full name of Samantha.
** The daughter Marley is this for some viewers. Whenever we see her she has a fairly short hairstyle and gender neutral clothes. It isn't actually said whether or not she's a girl until about an hour into the film.
* In ''Film/HeroicTrio'', the BigBad looks like an effeminate male but has a female voice. This confusion might only be thr Western audiences who might not be as familiar with Chinese legends concerning eunuchs making for extremely powerful soldiers while simultaneously making them evil and manipulative.
* Many fans thought Buckwheat from the [[Film/TheLittleRascals Our Gang/Little Rascals]] shorts was a girl. This is because initially the character ''was'' a girl, played by Matthew (Stymie) Beard's real-life sister Carlena. Even after male actor Billie Thomas inherited the role, the character continued to be [[CrosscastRole portrayed as a girl]] for several shorts.
* Alexa in ''Film/FiftyFirstDates'', which is intentional on the part of the movie.
* Robin Williams' daughter in ''Film/WhatDreamsMayCome'' is very androgynous, and it's perfectly possible to go through most of the movie thinking she's a boy.
* Dennis, the kid who wanted [[BigLippedAlligatorMoment pancakes]], from ''Film/CabinFever''. He has very long hair, a somewhat feminine face, has a gender neutral voice, and is prepubescent from the looks of it.
* Quite a few people who hadn't read the source material of ''Film/TheNeverEndingStory'' mistook the warrior Atreyu to be a girl. When he was first introduced, Bastian, who was expecting an adult warrior, commented in surprise, "A little boy." Which people might have missed if they came into the movie right in the middle.
* Intentionally done in ''Film/TheDarkKnightRises''; [[spoiler:the audience is led to believe that the one prisoner who escaped the prison was Bane, when actually it was Talia Al Guhl. The reveal is shown when after escaping, the child wraps her head and shoulders in a burkha.]]
* From [[http://imgur.com/gallery/tf78fHT/ the poster]] for ''Film/TheFaultInOurStars'' alone, many people couldn’t tell the gender of either person in the picture.
* During early promotions for ''Film/TheForceAwakens'', many fans mistakenly believed that DarkActionGirl Captain Phasma was a man. The problem being that in the promotional materials initially given, she didn't speak and wasn't seen without her armor on.
* The cobra in ''Film/JungleBook'' has a feminine voice but is referred to as male. It can be disassociating, especially since Kaa has a deep voice in comparison.
* Lee Jordan (male) in ''Film/HarryPotterAndThePhilosophersStone'' and ''[[Film/HarryPotterAndTheChamberOfSecrets Chamber of Secrets]]'', due to having a gender-neutral name, a gender-neutral appearance, and a gender-neutral voice. His voice does deepen in the latter film, but not to the point where it could be unmistakably masculine, especially since he's black and black females tend to have deeper, gruff voices.

* In Hungarian, pronouns aren't gender based, leading generations of ''Literature/TheLordOfTheRings'' readers thinking that the Witch-King was killed by Merry, not Éowyn. And coincidentally, neither the appendices nor the prophecy (No man shall kill him--it was a Hobbit!) contradicts this. But it's clear in the original.
* For a long time, half of the ''Literature/HarryPotter'' fandom thought Blaise Zabini was a girl, since he's just a name until [[Literature/HarryPotterAndTheHalfBloodPrince book 6]]. (Specifically, a name which is masculine in Europe but usually feminine in the United States.) Some who wanted more Slytherin girls used "her" extensively as an OCStandIn in FanFic. It's now known that "she's" a he.
* If you're well-informed enough to know that the Groke of the ''Moomin'' series is female, try figuring out Thingumy and Bob, or the Fillyjonk's children from the anime. Too-ticky can also be misleading because of her appearance, but it's pretty clear she's a woman.
** Too-ticky is at least partly based on Jansson's sculptor girlfriend, which may account for her relative butchness.
** In the original Swedish, the Groke is called ''Mårran'' which manages to sound both feminine and threatening.
** Thingummy and Bob wear dresses, and in the original are named Tofslan and Vifslan--so there is no "Bob" to confuse people. (Their particular way of speaking is an in-joke on the lingo Jansson and her first girlfriend, Vivica Bandler, used. "Tove" and "Vivica" become "Tofslan" and "Vifslan" when you speak like that...) The whole plot about the Ruby and the Groke is a metaphor for them having to hide their relationship back in the days homosexuality was still a crime and taboo in Finland.
* A milder form of this occurs in ''Literature/HonorHarrington''. The Royal Manticoran Navy has nearly 50-50 gender equality, and many characters are referred to as their title, i.e. Admiral, Captain, Exec., etc. To compound this, many of the women are given masculine nicknames, like Michelle becoming "Mike", while some men are given female nicknames, such as a Gervais becoming "Gwen". You may need to take notes.
** Possibly compounding the issue is the fact--never explicitly stated--that almost any character, when talking about someone of unknown gender, will use their own pronoun (i.e., men call unknowns "he" while women call them "she").
** Maybe more of Translator's Gender Confusion, but in Polish translation (where gender pronouns are ''everywhere'') Patricia Givens was a man for two books because she was always referred to as "admiral Givens" or "Pat".
* Max, from the ''Literature/MaximumRide'' series. Considering that the book is written entirely in first person and her masculine name, it's no wonder. It's not clear at all that she's female until at least about fifty pages into ''The Angel Experiment'', when she is finally referred to with a female pronoun.
* ''Literature/{{Discworld}}'' dwarfs. Most of them look male, but that doesn't mean they are.
** This is expanded upon with Cherri Littlebottom, a feminist in a race where discovering the other's gender is part of the mating ritual. She would wear makeup, but refused to shave her beard because to do so would deny being a dwarf.
** Never really resolved in ''Discworld/UnseenAcademicals'' with Madame Sharn. She claims female terminology but never really a female identity, and her lover is a gay male (biologically human) dwarf. Thanks to the weird interactions between dwarf and human ideas of sexuality she could equally be male, female, transgender, or not fit cisgender terminology at all.
** Many characters in ''Discworld/MonstrousRegiment'' are very convincing crossdressers.
* In the kid's magazine ''Muse'', four New Muses are guys, four New Muses are girls... and nobody can agree what gender Egyptian-born Pwt (pronounced "pwit") is. WordOfGod confirmed that Pwt is a male, but some readers still think he's a girl.
* In ''Goblin Moon'', the anthropomorphized Nine Seasons are the setting's equivalent of gods. Four are male, four are female, and one (corresponding to mid-spring, a changeable season) is depicted as androgynous in religious art.
* The first two chapters of ''Literature/ToKillAMockingbird'' leave Scout's gender very much in question. (She's a girl.)
* The Creator/TimothyZahn novella ''Cascade Point'' is told in the first person, and the narrator's name is not gendered. Only the cover art assigns a gender.
* The Cherub in Creator/LFrankBaum's ''John Dough and the Cherub.'' The publishers wanted the author to end the confusion, so he agreed to a write-in a contest. Since the first two winners chose differently, the gender of the Cherub remains unknown.
* ''Zom-B'' by Darren Shan: One of the two big twists at the end of the first book is that main character B Smith is a girl. The book had done a damn good job of leading the reader to believe otherwise, from the fact that most of B's friends are boys to the illustrations always showing her from behind (with a slim build and shaved head.)
* In the original ''Literature/WinnieThePooh'' books Christopher Robin wears flowing blouses and has medium length hair. While this may have been unisex looking or even masculine in the 1920s, to modern audiences he's easily mistakable for a girl. The more well-known [[Franchise/WinnieThePooh Disney]] incarnation averts this.
* In ''Literature/TheCosmere'', the first time Bavadin was referred to, it was without a gender pronoun. Maybe because it was in the same sentence as (confirmed to be male) Rayse, but for the next two years, everyone was confident that Bavadin was a man until ''Arcanum Unbounded'' explicitely said "she".

[[folder:Live-Action TV]]
* Data's cat Spot from ''Series/StarTrekTheNextGeneration''. Spot was always referred to using male pronouns. Then Spot [[YourTomcatIsPregnant got pregnant]]. She later gave birth to a healthy litter -- despite being de-evolved into a lizardlike creature at the moment (ItMakesSenseInContext) ([[HollywoodEvolution well]], [[MakesJustAsMuchSenseInContext not really]], [[MST3KMantra but whatever]]).
* Series/XPlay had a segment called "Guy or Girl", where the viewers were asked if some androgynous video game characters were either male or female. It was later re-used as "Robot or Human."
* Grace Polk from ''Series/JoanOfArcadia'', although it was addressed in the first episode when the character got mistaken for a "very rude boy" by another character.
* George from the British kids TV show ''Rainbow''. Despite being pink with long eyelashes, having an effeminate voice and being the girly one of the group ("ooh, you ''are'' naughty!"), the character was male. The name should have been a clue, but the hugely popular kiddie book series ''The Famous Five'' did feature a girl called George, as does the Nancy Drew series...
* Snoop from ''Series/TheWire'' confused a lot of viewers. She dresses exactly like the men, hides her braided hair under baseball caps, [[ButchLesbian makes suggestive comments about other women]], has a very gravely voice, and generally makes her way as a stone killer in a man's world. The only time she wears feminine clothes in the entire series, she's also wearing a face-convering motorcycle helmet on a drive-by shooting. Marlo's first words to her are, "Your turn, girl", however, so the series is never trying to deliberately confuse the audience.
* ''Series/DoctorWho''
** Alpha Centauri, in the classic series serial "The Curse of Peladon" (and "The Monster of Peladon", its sequel). A bit different, given it's not even vaguely human. The voice and body mannerisms are all very definitely feminine but nearly every character refers to it as either "he" or "him", despite the visual and aural indicators being for the opposite, and in actual fact, Alpha Centauri's race is genderless. (WordOfGod from the actress is that she was told to play the part as a CampGay civil servant.)
** Shortly after broadcast ThisVeryWiki was calling Creet, the pre-teen kid in "Utopia" with shoulder-length hair "the little girl". The character was played by John Bell, now better known as Bain in ''Film/TheHobbit''. According to the ''Doctor Who'' Wiki, [[http://tardis.wikia.com/wiki/Creet Freema Agyemen made the same mistake]].
* Tripitaka from ''Literature/JourneyToTheWest''. Despite being male, he's [[CrosscastRole physically played by a woman, and his English dub voice also a woman]]. Not many know that Tripitaka was meant to be male because of it.
* Though it's quickly apparent if you watch the show, many people who hear of ''Series/{{Angel}}'' assume it stars a woman, thanks to his GenderBlenderName. (The show ''Series/DarkAngel'' probably didn't help.) Lampshaded by Cordelia in Season 2 when She says "She could have been Angel because its kind of a Girly name"
* The title character of ''Series/SkippyTheBushKangaroo'' was female -- people tend to mistakenly refer to her as a "he" (then again, ''Skippy'' is nowadays primarily known through PopculturalOsmosis). Major clue that Skippy is a girl: she has a pouch.
* Uni Sax from ''[[Series/{{Superhjaltejul}} Super Hero Christmas]]''. Even in the illustrations that accompanied the credits, she could be either or. Then again, this is largely justified, considering her goal was to make everyone look and seem the same, which includes having nothing to define who or what you are.
* Coach Beiste from ''Series/{{Glee}}''. Many viewers believed, or still believe, she is played by a male actor. (She is, in fact, played by Dot Jones.)
** And then there's Kurt. The combination of his [[VocalDissonance very high-pitched voice]], CampGay mannerisms, elaborate outfits, and {{Bishonen}}, sometimes outright [[DudeLooksLikeALady feminine]] appearance make it easy to mistake him for a girl at first, or at least a {{Bifauxnen}}. The actor's going through puberty helped to alleviate this... somewhat.
* ''Series/SaturdayNightLive'': The "Pat" sketches star a person of indeterminate gender who causes confusion to everyone around them by not telling anyone what gender they are, causing much awkwardness (and hilarity).
* Perry in ''Kevin and Perry'' is played by a woman.
* Some of the [[PeopleInRubberSuits fully suited characters]], mostly villains, in ''Franchise/SuperSentai'' cause this when they are voiced by a female voice actor.
** Toripter from ''Series/EngineSentaiGoOnger'' caused some confusion around the gender, because of having a female VA and sounding somewhere between a teenage boy and an older lady. It wasn't until later in the series that Toripter was revealed to be male, since he was affected by a MonsterOfTheWeek who's attacks only had effect on men.
** To this day, fans still can't agree wether Luckyuro from ''Series/ZyudenSentaiKyoryuger'' is a male or a female. On one hand, Luckyuro is voiced by a woman, with the voice actress even making a live action appearance on the show as a disguise Luckyuro temporarily donned with the help of a MonsterOfTheWeek. On the other hand, Luckyuro's suit does not posses any outward female characteristics and acts more like a little boy. To show how far this confusion goes: Some fansubs refer to the character as male, while the Super Sentai wiki insists the character is female.
** Izayoi Kyuuemon from ''Series/ShurikenSentaiNinninger'' was an offender of this trope as he also was voiced by a woman and seemed to look and act a bit feminine. However, the confusion cleared up when a flashback showed Kyuuemon's human form, which was clearly a teenage boy.
* This happens with many monsters in ''Franchise/PowerRangers'', given the fact that there are rarely even TertiarySexualCharacteristics to go by, all you have is the voice actor. For example, although Invenusable Flytrap is female, Soccadillo and Fighting Flea (played by the same voice actress) are male. Also, Creator/WendeeLee has played villains of both genders, such as the male Stag Beetle and the female Witchblade.

* Victoria Lengrand from Music/BeachHouse has been mistaken for a man on multiple occasions due to the tone of her voice.
* Taylor Hanson from the teen pop group Music/{{Hanson}}: ambiguously pitched voice, long hair, and gender-neutral name.
* Kalan Porter from Canadian Idol definitely confused many people.
* Pick a J-rock band. Particularly male jrockers that dress in Goth Loli, like Mana. (Of course, young Japanese men tend to look androgynous to ''gaijin'' anyway.)
* Pick any J-Pop boy band, especially those under Johnny's Jimusho. Those guys make prettier girls than most of their fans.
** One such example: [[http://asianoyoru.files.wordpress.com/2008/09/yuri.jpg Chinen]][[http://media.photobucket.com/image/chinen%20yuuri/franzpurple/jun_matsumoto/japanese%20101/yuuri2.jpg Yuuri.]]
** [[http://i626.photobucket.com/albums/tt347/Nyaonity/Tegoshi.jpg Tegoshi]] [[http://i626.photobucket.com/albums/tt347/Nyaonity/10-11calendartegoshi03.jpg Yuya]].
* Visual Kei musicians can easily cause this problem, as a common theme amoungst the bands is to highlight their feminine sides or just full-on crossdress like [[http://1.bp.blogspot.com/_qpwDqGO0f0Q/So3Bne1k7JI/AAAAAAAAAU4/6qPCTdkYQWQ/s400/HIZAKI%2Bgrace%2Bproject%2BCurse%2Bof%2BVirgo%2BPhotobook.jpg Hizaki]] from ''Versailles''.
* Back when the Culture Club was all new, a good few people assumed Boy George was female.
* Similarly, during one of the episodes of ''I Love the 80's'', when discussing the Dead or Alive video "You Spin Me Round", one of the commentators said that growing up he thought Pete Burns was either the prettiest man or the ugliest woman he'd ever seen.
* [[http://i238.photobucket.com/albums/ff143/Heart_Candy/Tokio%20Hotel/Bill%20Kaulitz/BillKaulitz17.jpg Bill Kaulitz]] of Tokio Hotel is this trope personified.
* Many were surprised to find out that Noodle of Music/{{Gorillaz}} was a girl. Much less once she started being depicted as a teenager who sometimes sports makeup and more feminine clothing, though she still leaves a few confused. Less so in Phase 3, where she has some very [[HartmanHips feminine]] [[ShesGotLegs characteristics]].
* Jody "I'm not a girl" [=McBrayer=] fits this trope nicely. He most definitely looks masculine, but if you don't know who's singing... Well, just listen. http://www.youtube.com/watch?v=Rb8kgaa3Xsg
* Tracy Chapman. Judging by her voice, rather muscular physique, and most pictures, it can be pretty tricky to tell. Her gender-neutral name (although it's usually female nowadays) doesn't help.
* The lead singer of Music/{{Placebo}}, Brian Molko, has confused many with his highly effeminate appearance. Pictures like [[http://images2.wikia.nocookie.net/__cb20070117045210/uncyclopedia/images/3/39/Briana.jpg this]] and [[http://laurganism.com/wp-images/brianlips.jpg this]] definitely do not help.
* An anecdote from the early days of Music/{{ABBA}} relates how Bjorn Ulvaeus initially got a number of letters from fans who thought he was female. The explanation he gave was that the letters had come from Eastern European countries, where photo quality broke down through multiple copying, leaving his defining characteristics as his androgynous clothing and long hair. But it probably didn't help that he dressed more effeminately than Benny usually did, either...
* Music/MarilynManson: This trope is actually one of his trademarks. (Ironically, he copied Music/AliceCooper, who was always definitely male despite his stage name.)
* [[http://iheartfx.files.wordpress.com/2010/02/e00747654b6a8fc1c6ba3.jpg?w=960&h=640 Amber]] from the Korean pop band ''f(x)'' to the point where her group members even thought she was a boy at first. It doesn't help that she's "pretty" enough to look like most male pop stars or that SM Entertainment always puts her in masculine clothing, such as a [[http://iheartfx.files.wordpress.com/2010/01/25f6ebc13c7c61e495b5b67959b23d0e.jpg?w=574&h=436 boy's school uniform]] or a [[http://iheartfx.files.wordpress.com/2010/01/chuseokamber.jpg?w=400&h=500 male hanbok]].
* [[http://userserve-ak.last.fm/serve/500/29858825/A+Skylit+Drive+jag.jpg Michael Jagmin]] of A Skylit Drive tends to have this effect on people: long hair, girly voice, short stature.
* Japanese goth/electronic/visual kei/[[GenreBusting oh who knows]] vocalist Selia (one half of Seileen, along with DJ Sisen) falls into this all too easily. He looks like a woman, but in Japanese music this isn't anything new. No, the real confusion comes when he starts [[http://www.youtube.com/watch?v=cIhYiMJQmcs singing]].
* The same goes for Arch Enemy vocalist Angela Gossow, who's [[http://www.youtube.com/watch?v=mZM-d2qD15E death vocals]] cause many to mistake her for a man at first listen.
** Compared to [[http://www.youtube.com/watch?v=gWE9YmB8reQ Som Pljuimers]],Angela sounds like [[{{Music/Epica}} Simone Simons.]]
* The Silversun Pickups's lead vocalist Brian Aubert has a somewhat effeminate voice when singing, leading to some confusion--especially since even when you know he ''is'' a guy he looks ''nothing'' like you'd expect for a guy with that singing voice. His speaking voice is unquestionably male, though.
* Music/JustinBieber. He's made his career over the fact that he's a teenage boy whose voice hasn't cracked, so this is a given. If you just listen to his music and don't know his name, you might think he's a lesbian. The amount of confusion has become memetic due to his {{Hatedom}}. He has gotten better, though not by much.
** He had a lesbian doppelganger of him appear on ''Series/AmericasGotTalent'' and ''Series/TheGleeProject''
*** Not surprisingly, there's a tumblr entirely dedicated to [[http://lesbianswholooklikejustinbieber.tumblr.com/ Lesbians Who Look Like Justin Bieber]].
* If you're over 30, you've probably heard the theme song to ''Film/TheNeverEndingStory'', sung by Limahl. Even if you knew the (seemingly gender neutral, in fact seemingly made up) name of the singer, it's very likely you assumed he was a woman. Even watching the video doesn't help. He looks like a guy but sounds so much like a woman that you assume he's lip-synching. Seriously, listen to the song and ''try'' to find anything masculine about that voice.
* There are ''a lot'' of K-Pop idols that fall under this. SuperJunior's [[http://yurigoodoo.files.wordpress.com/2010/09/157578330.jpg Heechul]] and {{Shinee}}'s [[http://neomuyeppeo.org/wp-content/uploads/2010/07/20100708_taemin_1-460x612.jpg Taemin]] are two of the worst offenders. Even the more masculine ones are prone to this... Shinee's [[http://www.asianpopcorn.com/battle_images/SHINee_Minho_LUCIFER__28012011235651.jpg Minho]] was once mistaken for a labelmate's girlfriend.
* [[http://en.wikipedia.org/wiki/JD_Samson JD Samson]] of [[http://en.wikipedia.org/wiki/Le_Tigre Le Tigre]]. An out lesbian who identifies as female, she nonetheless uses a very macho variation of her given name (Jocelyn Samson), dresses in traditional male clothes, maintains an extremely masculine appearance, and proudly sports close-cropped hair and a ''robust natural [[BadassMustache mustache]]''. Even when you know she's a gal, [[http://30.media.tumblr.com/tumblr_lqtpzu773T1qzdfbno1_400.jpg seeing]] [[http://www.pagesdigital.com/wp-content/uploads/2008/12/jdflower.jpg pictures]] [[http://blogs.miaminewtimes.com/crossfade/JD01.jpg like]] [[http://25.media.tumblr.com/tumblr_l0pbv4NN2O1qbbqcuo1_500.jpg these]] makes it pretty tough to grasp.
* Shelly West (daughter of Dottie West) has a rather low, rough voice for a woman, particularly on her SignatureSong "José Cuervo". If you didn't know the artist's name, you'd certainly be forgiven for thinking a man sang that song.
** Dottie had a fairly husky voice as well.
* [[http://images2.layoutsparks.com/1/23653/ryan-ross-punk-style.jpg Ryan Ross]], especially in the early years of Music/PanicAtTheDisco.
* Rocker Aldo Nova's voice can easily be mistaken for a woman's in his hit single "Fantasy."
* Steve Marriott (Small Faces, Humble Pie) had a high-pitched voice that could sound a bit womanly at times, which combined with his boyish face probably threw some people off (that might explain why he had a mustache for a while).
* Music/{{Sigh}}'s Dr. Mikannibal's screams are frequently lower-pitched than those of the band's male vocalist, Mirai Kawashima. Listeners often have difficulty telling them apart. Female BlackMetal vocalists get this a lot; Kriegtalith of Darkestrah and both vocalists of Astarte (Tristessa and Kinthia) both were subject to it as well.
* Some people though there were female vocals on Music/{{Alcest}}'s EP ''Le secret'', but frontman Neige performed all of them himself.
* Listen to Music/{{Blondie}}'s 1999 hit "Maria." Although lead singer Deborah Harry is undeniably a woman and looks it, her vocal on "Maria" sounds...rather different. If you didn't know who it was, you'd be forgiven for thinking you were listening to a twentysomething British man instead of a fiftysomething American woman (and of course, the fact that the song is about a girl doesn't help).
* When Music/TheBeatles redefined pop music, other bands (and teenagers who could get away with it) started growing their hair long, starting a lot of consternation over gender appearance norms. One band, The Barbarians, with the longest hair around ca. 1965, had a record "Are You A Boy Or A Girl?"
* Cherry from Music/StudioKillers is a fictional female character [[CrossdressingVoices voiced by a man]]. This confuses new fans considerably.
* The singer of the band Rough Trade is a ButchLesbian with a [[LarynxDissonance very deep voice.]] Their most famous song, "[[SchoolgirlLesbians High School Confidential]]", is about the narrator's PerverseSexualLust over a hot, bitchy blonde (who is the AlphaBitch), so it's pretty common to mistake the singer for a man.
* Jaymes Young is male however many mistake his voice for female.
* Music/ImogenHeap has a somewhat androgynous singing voice which has caused some people not familiar with her to mistake her for male.

[[folder:Puppet Shows]]
* ''Series/SesameStreet''
** Big Bird is sometimes mistaken for a girl, thanks to his high-pitched voice, his lack of TertiarySexualCharacteristics, the show's young target audience, and the puppeteer's GenderBlenderName. Yes, Caroll Spinney is male.
** The Dutch version of ''Sesame Street'' features a blue Big Bird called Pino, who started out being played by a man. When he retired a woman got the role, there was actually some debate among the creators about whether they should make the bird a pink girl and rename her Pina. In the end they chose gender confusion over gender bending.
** The German version once got a snail called "Fienchen" [[note]] "chen" is a German diminutive -- i.e. literally means little/small, can be used in nicknames as an expression of endearment[[/note]]. Fienchen started out being male, but due to his "cute" name and high pitched voice, he caused so much gender confusion, they actually changed him into a girl.
*** That's the one case where gender confusion would be ''appropriate''. Snails are hermaphrodites.
* ''Series/BearInTheBigBlueHouse'': Treelo's a ''boy'' and Ojo's a ''girl''?

* ''Toys/{{Bionicle}}''. Period. The toys have little room for TertiarySexualCharacteristics due to their modular nature (it is a Franchise/{{Lego}} product line), so the only reliable way to pick out which one is the girl is the series' [[ColorCodedCharacters color-coding]] -- the blue heroes were ''mostly'' girls. Same thing in-story, but at least the characters can use voice and body language to tell genders apart.
** Roodaka, despite wearing black instead of blue, is the only woman with an actual feminine figure -- but males of her species look exactly like her, causing confusion in the ''other'' direction. One comic colorist tried to color-code a male by painting him green, but WordOfGod says that picture is non-canon, and all of the members of the species (the Vortixx) have the exact same colors. Yes, even the males have huge breast-plates, wide hips, a ponytail, walk around in high-heeled boots, and not one of them has any variation in their coloring. The only way you can identify the genders is that if you see a Vortixx suffering or doing some incredibly tedious and tiring work, it's a male.
** Things wouldn't be so difficult if the female sets had been designed to look the part. Jaller Inika, for instance, was the manly leader of his group, yet he was the only one who looked at least a bit feminine -- the real girl, Hahli, received a huge chin, a bald head, and a mustache and goatee in the form of breathing tubes! The Inika were of course a {{Deconstruction}} of certain Toa-related tropes, but only in the story. Sets could have followed a more conventional approach. Although there is nothing to suggest this wasn't the result of test groups' dissatisfaction with female-looking toys.
** Hahli's infamous tube-stache wasn't the first instance of a female character receiving a misleading mask. There was Macku, who had this long, pharaoh-beard like structure on the underside of her mask. The first movie redesigned that mask-type so that it would have a mechanical "beard". Macku's movie-mask got a shortened version, but it still looked off.
** Arguably The least feminine of them would be [[http://www.brickshelf.com/gallery/Herald/FanSitePics/ToaNuva/Full-Size/galinuva.jpg Gali Nuva]] Thats right, the one with dual battleaxes, wide chin and ahnold pecs is the ''female''.
*** [[http://biosector01.com/wiki/images/c/c4/Promo_Art_Toa_Nuva_Mistika_Gali.jpg This]] is Gali Nuva again, in her AdaptiveArmor. With her flat chest, wide shoulders, gorilla-arms, hunched posture, and broad, protruding chin, bald head, [[FanNickname waffle-eye]] and jet-wing ears(?), not only does she look even less feminine than her "base" Nuva form, she doesn't quite look like anything else seen in the story. As a result, it's one of the most unpopular figures of the franchise, and perhaps the main reason why the "Mistika" set-line got such an unfavorable fan-reception.
** One prime example was with the "Mistika" characters, as WordOfGod had said one of the three Makuta in the set was to be female, and since none of those three were blue the color code wasn't going to be any help. When the fanbase got pictures, many guessed it was Krika, a sleek white character with a feminine-ish name and an elongated head/mask reminiscent of a ponytail. It turned out that the female was actually Gorast; a short, squat, green-and-black hag with four arms.
** And did we mention that when the series got {{ReTool}}ed with a new setting, the color code ceased to apply to gender? (The girl is still blue, but there's also a male blue character.)
*** But at least that one single female character was designed to actually have some feminine physical characteristics, like a slender body, and... wait, that was it.
** There are some subtle hints sometimes though, such as Nokama Metru's smoother mask design, Hahli Mahri's sleeker mask and her angel wings, and Gali Mata's inverted legs and extra chest-piece. But that's as helpful as it can go.
** When the original line first hit, there was next to no supplementary material to educate buyers on which gender the characters were, but thankfully the narrator on the early promotional [=CDs=], which only saw a limited release, made a point of referring to Gali by using female pronouns as many times as possible. On the other hand, he did call Nokama, the only other female set sold at that point, a "he", thus muddling up the then-introduced "blue=girl" rule.
** ''BIONICLE'''s successor Toys/HeroFactory has Breez, who is female despite looking just as manly as the others.
*** It helps that her full name is ''Natalie'' Breez, though others mostly just call her Breez anyway. As for her looks, her helmet's eye-holes at least looked feminine at first. Then, she switched them to a generic design, along with adapting this huge, manly chin underneath.
** The sheer number of occasions that LEGO and associates mistakenly or by necessity made men out of their women is enough to confuse every outsider. Besides the thing with Nokama on the promo CD mentioned above, Hahli also got a male voice in the online Toa Mahri mini-movie and in the video game ''BIONICLE Heroes'' (Roodaka, perhaps the only ''obvious'' female toy of the franchise, also received generic male grunts in that game), the ''Voya Nui On-Line Game'' referred to Dalu as a "he" at one point, and more recently, the web bio of ''Hero Factory'''s Natalie Breez also used masculine pronouns. Then, there are the DirectToVideo movies, which gave random background Ga-Matoran (all female) male voices.
** The [[Franchise/{{Bionicle 2015}} 2015 reboot]] continues in this tradition: in addition to being ambiguous visually, Gali is named the Master of Water (and foreign translations also refer to her by masculine designations); and the online animations, which have a male narrator "voicing" all the characters, further this confusion.
* The ''Beanie Baby'' Erin. Paired up with the Princess Diana bear. Green, as opposed to Diana's more feminine purple. Especially if you were unaware of the differences between Aaron and Erin (phonetically identical in some varieties of English) as a child.
* The toyline-only character Sonar from Beast Wars is considered female by some fans due to the lack of gender-specific pronouns on the toy's bio.
** Confirmed in the comics, which took advantage of the lack of pronouns to add another female to the ranks.
* ''Franchise/MyLittlePony'':
** Mainly thanks to the cartoon adaptation many ponies were considered male, such as Gusty or Applejack. There are some collectors who played with the toys as kids in the 80s who still insist 20+ years later Applejack was male; it wasn't too unknown to see debates on it in the 2000s.
** G1 is mainly known for being almost entirely made up of mares and fillies but males existed, most popularly the Big Brother Ponies. They're not that much masculine from the females, the only real difference having fetlocks and being associated with 'masculine' roles (American football, pirates, sailing, etc). They come in pastel pinks and yellows and have have long eyelashes.
** Kingsley is a [[AnimalGenderBender lioness]] with a mane and masculine name. Most people consider her male but everything official states otherwise.
** Prince Firefly from G2 is purple and [[OneSteveLimit shares the name]] of the most famous Pony until G4. But he's not called "prince" for nothing.
** Prism Glider, a background pony from ''WesternAnimation/MyLittlePonyFriendshipIsMagic'', is clearly a stallion in the show and on his collector's card, but his blind bag figure uses the standard female Pegasus mold (as opposed the male design used for Thunderlane, Flash Sentry, etc.). Likewise, Neon Lights' blind bag toy is a {{palette swap}} of Vinyl Scratch/DJ PON-3.

[[folder:Web Animation]]
* The titular ''WebAnimation/SaladFingers''.
* ''WebAnimation/HappyTreeFriends'':
** Flaky is thought to be a boy because, unlike Giggles and Petunia, Flaky doesn't have eyelashes but is given a distinct feminine voice, it shows neutral characteristics for any gender but the voice actor suggests female, even the creators are undecided. It's even lampshaded a few times.
** Cuddles can even be mistaken for female by some who are watching the show for the first time.
* [=YouTube=] comments on newer ''WebAnimation/BamanPiderman'' episodes frequently ask if Pumkin is a girl, perhaps due to his [[{{Moe}} cute]], [[{{Adorkable}} awkward]] nature ever since [[spoiler:gaining a body]] and his actions towards Piderman, despite him being unambiguously referred to as male InUniverse.
* Breeze Rider from ''WebAnimation/DusksDawn'' is a boy. A cursory glance at the works trope page will show you how difficult it is for the audience to pick up on that.
* Nerris from ''WebAnimation/CampCamp'' was mistaken for a young boy by several people watching the trailer due to her boyish clothes and hairstyle, with her most girlish feature (the eyelashes) being easy to miss. Even when she actually speaks in the show proper, her female voice actress could be mistaken for a case of CrossdressingVoices and the first line that establishes her gender is easily missable due to being said at the same time as another line. She's even this in-universe in the episode "[[EggSitting Egg Benefits]]", when Cameron Campbell falters on whether to call her a mom or a dad.

[[folder:Web Original]]
* A former quote on top of the page came from the ''Podcast/RiffTrax'' of ''Film/JurassicPark''. Weird Al [[RunningGag repeatedly stops commenting what's actually going on in the movie to ponder what is the gender of the kid seen at the beginning of the movie (the one Grant threatens with a Raptor claw).]]
* Heyoka, of the ''Literature/WhateleyUniverse''. Heyoka ''used'' to be a girl before manifesting as a mutant who can change shape when absorbing a spirit and its power. Normally very attractive and very androgynous, Heyoka has looked very feminine, and very masculine, at different times. [[WordOfGod even the authors]] have trouble with the pronouns.
* In ''WebVideo/TheNostalgiaCritic'' review of "Nickcoms", he plays a game called "Boy or Girl" with the kids from ''Series/YouCantDoThatOnTelevision''.
* Minky Steve from [[http://www.weebls-stuff.com/toons/Parsley+Boobs+ep1/ Parsley Boobs]]. He/she is either a slightly masculine-looking woman or a very CampGay man.
* In ''WebVideo/TheGuild'', Bladezz's pre-adolescent sister has long hair, but it just makes her look even more like her brother. She has a husky voice for a girl and is first seen wearing a baseball cap and rather gender-neutral clothing.
* The infamous Sankis of ''LetsPlay/{{Boatmurdered}}'' was in fact female. Most references use male pronouns for her, including [[http://us.battle.net/d3/en/item/the-burning-axe-of-sankis Blizzard]] and ThisVeryWiki.
* Many people don't realize that Tarder Sauce, best known as Grumpy Cat, is female.
* Sketchbook from ''WebVideo/DontHugMeImScared'' has a voice somewhere between a prepubescent boy and a young woman, has rainbow colored "hair", and is a talking sketchbook. The character's gender is [[AmbiguousGender unconfirmed]] officially, though {{fanon}} has been portrayed as female.