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Two characters can look alike (or even identical), share a last name, and behave in a way befitting of siblings or cousins; but that doesn't mean they necessarily are either of those things. This trope covers characters who behave in a way consistent with their being relatives, but whose status as such is never truly confirmednote .


To keep this trope objective as opposed to Wild Mass Guessing, non in-universe examples should have one or more of the following:

  • They often appear together, especially when it would signify something.
  • They have strong similarities in appearance and background.
  • They refer to each other or act as relations that may or may not be metaphorical or credible.
  • In-universe claims or suggestions of relation are vague, incomplete, or questionably credible.
  • Official out of universe sources refer to or hint at a relationship.
  • They have established relations in other continuities, adaptations, or works they draw influence from.

Compare Inexplicably Identical Individuals, which often goes hand-in-hand with this trope, and Viewer Gender Confusion, for another aspect of characters' identities that a show doesn't make as clear as it thinks it does. Also compare Luke, I Might Be Your Father and Mama's Baby, Papa's Maybe. Contrast Long-Lost Relative for when the relationship is confirmed.



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    Anime & Manga 
  • Variation in Lyrical Nanoha regarding Nanoha and her older brother and sister. The series spun off from Triangle Heart 3: Sweet Songs Forever, where Kyouya was her half-brother, and Miyuki was her first cousin. It's never made clear if this still applies, or if they're all full-blooded siblings.
  • Pokémon: Lucario and the Mystery of Mew: Sir Aaron resembles Ash Ketchum in appearance and aura such that Lucario initially mistook Ash for Aaron. That they both have the rare ability of Aura only deepens the possibility of Aaron being a distant relation. The main anime has Riley, another Aura user who's training to be a Aura Guardian like Aaron and has an even stronger resemblance in appearance and wardrobe. More coincidentally, there was another Aura Guardian in ancient times with a Pikachu that Ash was mistaken for whose feat Ash duplicated in sealing a Spiritomb.
  • This is used as a plot point in Yuureitou. It's revealed that Satoko's mother slept around a lot, meaning that it's impossible to know whether Marube is her biological father or not. Satoko is deeply upset when she learns this and it's the final straw that gets her to run away from her abusive father.
  • Dragon Ball Super: Universe 11' fighter, Dyspo from the Pride Troopers, has an uncanny resemblance with the Gods of Destruction Beerus and Champa, with the difference of being a bunny instead of a cat. Champa notices this and say both Dyspo and Beerus have narrow faces, but nothing is ever classified why they look alike. It's a common theory to believe Dyspo is part of their race before they became Gods of Destruction.
  • In DARLING in the FRANXX, Zorome meets a kindly old lady who helps him after he got lost in the city. Their dialogue and interactions seems to point to the fact she maybe his mother. Later on, this is disproven, as Parasites are heavily implied to be vat-grown and even if they aren't, adults have been immortal and sterile for too long for this to line up.
  • My Hero Academia: Dabi has an uncanny relation to the Todoroki family. While genetic evidence extends only to his Fire Quirk and his eyes being the same color as the family patriarch, Endeavor, the circumstantial evidence is extensive; having an abusive father who is also a pro hero falls perfectly in line with his motivations, he is covered in mysterious burn scars, he deliberately avoids revealing his real name to people, even saying that it will be revealed "at the right time" as if it's somehow significant, and has been kept away from any situation where it might forcibly be revealed such as when the hideout got raided. Tying his appearance into the family is difficult as he is very disfigured, but flashbacks show that Endeavor's hair was virtually identical to Dabi's at his age. During the Camp Raid Arc, he gave Shoto a lengthened look and commented "Shoto Todoroki, how sad...", and a similarly significant-feeling encounter happened between him and Endeavor sometime later, ending with a promise that they'd meet again.
  • Naruto:
    • The series has always been intentionally vague on whether Hinata and Hanabi's Missing Mom was a Hyuga before marriage. She's only shown in one anime-only photograph where she has her eyes shut, making it impossible to know whether she had Byakugan or not. Her hair is unusually blue (which Hinata inherited), with most Hyuga characters having black or brown hair, which might hint she's from outside the clan. Muddling this more, Boruto reveals that not all Hyuga have Byakugan and that some people with Byakugan don't have the standard milky eyes.
    • Sasuke and Itachi's parents also suffer from a vagueness on whether they're related or not. They both have the dark hair and eyes associated with Uchiha (and Itachi dated an Uchiha named Izumi, showing that romance between distant relatives isn't too frowned upon in the Uchiha clan), but it is never specified. An anime-only filler has their parents going away to visit their maternal grandparents, implying they live outside the Uchiha compound.
  • Texhnolyze: Both Kano and Ran have yellow eyes, while other characters have realistic eyes colours. Kano refers to Ran as his sister, but he may speak metaphorical. Also Kano is completely insane.

    Comic Books 
  • Tintin's Thomson and Thompson are so alike that many readers unthinkingly assume they are truly twins, but their different last names make this unlikely. Although could they be cousins? Half-brothers? Maybe "Thomson" and "Thompson" are actually unusual first names, and they share an unknown surname?
  • Moby Duck, a supporting Duckverse character who had his own title back in the day, may or may not be Donald Duck's uncle. In his first appearance, Donald didn't seem to know him at all, but numerous later stories had him employing miscellaneous cousins of Donald as ship-mates, and considering how incompetent they all are, the only plausible reason he'd hire them would be that they are family. And indeed, Moby has been included on some Duck family trees, but only some (and never in the same place, either).
  • Batman and Batwoman split the difference between this and Depending on the Writer. Her last name is his mother’s maiden name and they both come from rich Gotham families. Usually they’re just vaguely related but some writers have made them as close as first cousins.

    Comic Strips 

    Fan Works 
  • Mass Effect The Equestrian Equation is a case where they become Ambiguously Related. It's revealed Equestria was simulation à la The Matrix that regularly tapered with their memories and many ponies, including Rarity and Twilight Sparkle's parents were but programs. Rarity bring up the question of who there actual parents are and gets tested to determine their relationship with her "sister" Sweetie Belle. Complicating this is that the equestrians small population mean all of them are to some degree related. The test results are kept confidential even from readers, but Rarity doesn't let them change her relationship with Sweetie Belle.
  • Once Upon a Time in Canterlot is a My Little Pony: Friendship is Magic Fan Animation. In it, Derpy Hooves goes Mama Bear on changelings that try to hurt Dinky and Amethyst. Dinky is undeniably supposed to be Derpy's daughter, however Amethyst's relationship to Derpy is the one in question. Despite their lack of resemblance, it's not uncommon to see Amethyst and Derpy written as mother and daughter (either adopted or biological) because one episode depicted Amethyst and Dinky going to the Sisterhood Social. Then again, their relationship isn't clarified in the short, so many in the comments believe that Amethyst is Dinky's babysitter, not her sister.
  • In early chapters of RWBY: Scars, it was ambiguous whether Roman and his similar-dressing ally Neo were related or not. Roman claimed that Neo was his daughter, but he also could have been lying. A flashback chapter reveals that Roman is indeed Neo's biological father.
  • In Shadow Of Another Hero, Link looks near identical to Zelda's Link, though whether he's an Identical Grandson or it's a quirk of reincarnation is left unsaid.
  • In the My Little Pony: Friendship Is Magic fic Temporal Visitor, Celestia and Luna come from two different clans despite being sisters. Whether this means they're half-sisters, adopted sisters, or just full sisters who live in different clans isn't specified.

    Films — Animation 
  • The Lion King II: Simba's Pride:
    • Vitani and Nuka. Kovu was adopted by Scar and possibly Zira as well. Vitani and Nuka are most likely Zira's biological children, however their parentage is otherwise unclear. Nuka resembles Scar (but then again so does Kovu) and complains that Scar wasn't even Kovu's father in a manner that suggests he should have been Scar's heir instead. Nuka calls Scar by his name instead of "Father" or "Dad", which makes it more ambiguous. One writer for the film has stated that Nuka is Scar's son, but a different writer has stated that Zira and Scar were never mates. According to the film's director, Darrel Rooney, Zira was originally Scar's lover but this was changed due to worries that Kiara and Kovu would be Kissing Cousins. Zira was still made into "just a follower", but there are implications in both the film, deleted scenes, and The Lion Guard that imply she had an intimate relationship with Scar.
    • Whether Zira is Kovu's biological mother or not isn't obvious. It's stated in the film that that Scar "took him in", which might support the idea that he's adopted, and at least one source calls Kovu an orphan. He was originally imagined as both Scar and Zira's biological son, but his relation to Scar was cut to avoid making him Kissing Cousins with Kiara. No one ever questions whether Zira is Kovu's biological mother and they only mention that Scar isn't his father, which implies that Kovu is Zira's birth son.
    • The Outsiders may or may not be related to the Pridelanders. They were all one pride before the Outsiders were banished, and in Real Life, all the lionesses in a pride are usually related. At the end of the film, Kiara has a speech about how the Outsiders and Pridelanders are "one" and aren't that different from one another.
  • The Dazzlings (Adagio Dazzle, Aria Blaze and Sonata Dusk) from My Little Pony: Equestria Girls – Rainbow Rocks. Their being the only known sirens and always being together despite constant feuding left many assuming there was more to their relationship than just being a team. Adagio refers to them as sisters in the Legends of Magic comic book, but whether it is literal, metaphorical, or honest (as she's trying to manipulate someone at the time) remains ambiguous.
  • Woody and Jessie from Toy Story 2 are two toys based off of characters from the same Show Within a Show Woody's Roundup. While the toys are just good friends, the relationship between the show's Jessie and Woody is never discussed. They dress similarly, are close to one another, and co-star together, which might imply they're either love interests or family, although they could be Platonic Life-Partners like their toy versions too.
  • Ursula from The Little Mermaid (1989) was originally intended to be Triton's sister and Ariel's Evil Aunt. In the final film, Ursula does know Triton and wants his crown, but it's never explained how they know each other. Various Disney derivatives, including Disney Villains: The Top Secret Files, A Tale Of..., and the theatrical adaptation, either heavily imply or explicitly make Ursula into Triton's sister.
  • Played for Laughs in Meet the Robinsons, as Lewis deciphers Wilbur's family tree:
    Lewis: Spike and Dimitri are twins, and I don't know who they're related to.
    Wilbur: Neither do we. Go on.

    Films — Live Action 
  • Joker (2019):
    • It's left ambiguous whether Arthur is adopted or not. He finds adoption papers, but it's also possible that they were fabricated by Thomas Wayne (who may be Arthur's father).
    • It's ambiguous whether Arthur and Bruce Wayne are half-brothers. There's evidence both against and for Arthur's father being Thomas Wayne.

  • A Series of Unfortunate Events's Count Olaf becomes the guardian of the Baudelaire children through claiming he's a close relative of theirs. There is never any evidence to support this claim, but it's mentioned that his hoodwinking of the law on this issue relied on convincing Mr Poe that "closest-living relative" means "the relative who lives closest"... suggesting that he may still genuinely be a distant cousin.
  • The Vampire Chronicles has an in-universe example, where Jesse's narration shows that she really isn't sure how "Aunt Maharet" is actually related to her or whether she's just an odd family friend. It's ultimately revealed that Maharet is a Time Abyss vampire and her great-grandmother by roughly 6000 years worth of "great"s.
  • The Wicked Years:
    • Melena and her husband Frexspar both fell for a quadling glass blower named Turtle Heart. It's left ambiguous throughout Wicked whether Elphaba's sister Nessarose is Turtle Heart or Frex's daughter. The family tree in A Lion Among Men reveals that Nessarose is Frexspar's daughter..
    • Throughout Wicked and Son of a Witch it's a question whether Liir is Elphaba's son. Elphaba fell into an Angst Coma after Fiyero's death and wasn't sure if she birthed Liir or not. Liir is later revealed to be Elphaba and Fiyero's son.


  • Vocaloid: Len and Rin Kagamine are frequently marketed as a package and have similar gendered designs. They have been called twins and mirror images of each other at different points by Crypton Future Media, who has since retracted both positions and considered their relationship up to fan interpretation.

  • Mungojerrie and Rumpelteazer from Cats are two calico housecats who commit thievery and mischief together. It's never concrete if they're Lookalike Lovers or Half-Identical Twins, though at least some sources call them siblings.

    Video Games 
  • Super Mario Bros.:
    • Wario and Waluigi are the Evil Counterparts to twins Mario and Luigi. However, their relationship is unspecified. It's unknown if they're also brothers.
    • Peach and Daisy have a passing resemblance and it's not unknown for real-world royal families to mingle. At least one strategy guide has mentioned them being cousins, but it's not a canonical source.
    • Peach and Rosalina. They share similar blue eyes and blonde hair. Despite not officially being a princess, it's implied Rosalina is of royal blood. She wears a crown on her head and has worn it since childhood. She has also apparently lived near (or in) a castle as a child. It's possible that Peach is a descendant of Rosalina's through her brother. Early in the development of Rosalina, the two were related somehow, which explains their similarities.
    • Bowser was originally the Koopalings' father. By Bowser Jr.'s introduction in Super Mario Sunshine, this had been retconned away. Their relationship status is ambiguous, with the current official consensus being they're not related.
    • Are Toad and Toadette siblings or love interests? No one knows. Nintendo changes stances often.
  • Kirby:
    • Lololo and Lalala are almost never seen apart, and their only differences are their colors and Lalala's bow. While the games never elaborate on the relationship between the two, the characters they were based on, Lolo and Lala, are in a romantic relationship. The anime (which is in an Alternate Continuity to the games) has them as two halves of what was originally one monster, who was split into two for having a useless ability and not wanting to fight.
    • Whenever Meta Knight's mask is removed, he's revealed to look identical to Kirby, suggesting they are at least the same species. The implications of this, given he's opposed Kirby as often as allied and seemingly wants to keep his true appearance hidden (Meta Knight flees immediately after losing his mask) remain mysterious.
    • Kirby Star Allies:
      • The 3 Jambastion Mages are described as "sisters" in Hyness (their boss') Flavor Text. However, in the Japanese version, they're mentioned to be nuns, i.e another meaning of "sisters". Note that Hyness himself is called an "Officiant". Later, Nintendo Switch's Kirby Star Allies Channel acknowledged the 2 meanings and they deem it as a "mystery" akin to Kirby and Meta Knight's own ambiguous relation.
      • Due to lines in the villain's Motive Rant and the Wham Shots that the Final Boss Void Termina has, it's implied that said Final Boss is related to Dark Matter (an old reoccuring villain; Void Termina's core can transform into something resembling it), Zero (Dark Matter's "boss"), the "ancients" (who made the Master Crown, and Void Termina can make a replica of it), and even Kirby himself (its core primarily displays a face similar to Kirby's, helped by its pink coloration).
  • Fire Emblem:
    • Done infamously in Fire Emblem: Genealogy of the Holy War with Claud and Sylvia. They both have the same Heroic Lineage (Braggi blood), and Claud mentions in a conversation that he once had a sister who he lost contact with and would be about Sylvia's age if she were alive... the, ahem, strange part about this is this conversation sets the two on the path to becoming love interests. The developer has stated that they're merely "distant cousins", but whether this is an attempt to dodge the issue is unknown.
    • Nino's supports with Canas in Fire Emblem: The Blazing Blade imply that he might be her uncle, as both Canas' wife's sister and Nino's mother were named Iris. Canas also points out that they could simply be two women with the same name, so neither of them know for certain, but they both think it would be nice if it were true.
  • Cuphead: Elder Kettle is stated to be the caretaker of Cuphead and Mugman, but it's unclear if he's actually their father, grandfather, foster parent, or otherwise. Considering that he's an anthropomorphic kettle, and they're cup-headed people, they do look somewhat different, although it could still be a considered a Strong Family Resemblance compared to the other characters in the game.
  • In SNK happens this with two different characters from different ages but with the same surname: Shiranui. There's Gen-An from Samurai Shodown, a goblin-like creature with a big claw as weapon, and Mai from Fatal Fury, a busty Ms. Fanservice ninja. Since SNK never stated something about those two until now, is unclear if they're relatives (being Gen-An an ancestor of Mai) or simply is a coincidence between surnames. note 
  • Animal Crossing has Tom Nook, Timmy, and Tommy. They look like they could be related and have similar names, however it's suggested that Tom is their adopted uncle. Even that is vague because the Japanese term (oji-san) they use can also be used to refer to any man you respect.
  • Popo and Nana, the playable characters from Ice Climber, are depicted in Super Smash Bros. as having a very close lover-esque relationship, described as "rarely seen apart." The Melee intro at one point even shows Popo and Nana giving each other a high five, with a heart coming out where their hands meet. However, given that they look and sound like children (too young to be lovers), and that they have identical features, many believe that they are actually siblings. Word of God states that the nature of their relationship is up to the player's interpretation. However, the Japanese title of Event 21 in Melee roughly translates to 'Those Who Interfere People's Romance', and an update to the Japanese Melee website explains that they're "more than friends, but not quite lovers."
  • Silhouette Mirage has Armageddon refer to Shyna Nera Shyna as "Sis". They also have the most similar character design, are both creations of Edo, are the rare individuals possessing both Silhouette and Mirage, and are its most powerful wielders. Whether they're only related by being products of Edo's experiment or anything more is, like much of the games ending, left ambiguous.
  • In The King of Fighters, Hotaru Futaba keeps calling Gato her "brother", although he denied it. Both of them fight with a form of kungfu, and their backstories involve a torn-out family, but it's never confirmed if they're actually related or not.
  • Harvest Moon 64:
    • 64 has this between the protagonist and all the bachelorettes. Pete is the Identical Grandchild of the protagonist from the first game. All of the bachelorettes are related to bachelorettes from the first gamenote . This means that one of them should be your cousin. The problem is that none of them ever mention being your cousin. It can't be Elli since Ellen isn't your grandmother, which leaves the other three girls. Karen and Ann are options because Eve and SNES Ann had at least two kids, which is possible in the original game, but it isn't obligatory. Either way, it's to be assumed that your wife is the one who isn't your cousin.
    • It's never mentioned whether Karen's mother (unnamed in 64 but named "Sasha" in future titles) or her father Gotz is Eve's child. It's more-so implied to be Sasha due to her having dirty blonde hair in a similar hairstyle as Eve's.
  • Zack and Jess in JumpStart Adventures 6th Grade: Mission Earthquest. At least Uncle Eli seems to be uncle to both of them.
  • In BlazBlue: Central Fiction, if you read between the lines or dialogue and foreshadowing, Naoto Kurogane may in fact indirectly be the uncle of Ragna, Jin, and Saya. Their mother (a Prime Field Device) is implied to be based on Naoto's sister, Saya Terumi. It is never explicitly spelled out for the audience.
  • The Legend of Zelda:
  • Pokémon: Ariana from Pokémon HeartGold and SoulSilver has a striking resemblance to The Rival of the game. The two share the same red hair in the same hair style. Ariana is a Team Rocket Executive and Silver is the son of the former Team Rocket leader, but whether they're related is never specified.
  • The cats in Feed The Cat all look alike, with some being kittens and the rest being adult cats, so it's possible they're siblings from two separate litters, one older and one younger.
  • Mortal Kombat: Whether or not Liu Kang is a descendant of the Great Kung Lao is a source of much confusion and debate. The first depiction of him being a descendant of the Great Kung Lao was in the first movie where Kang was a Composite Character of himself and his friend and fellow shaolin monk from the games, Kung Lao, the namesake and descendant of the Great Kung Lao in the games. Goro's bio in Mortal Kombat 4 states that Liu Kang is indeed a descendantnote  of the Great Kung Lao. However, this relationship is never mentioned in the games's stories nor do any of Kang's endings and bios mention him and Kung Lao being cousins with Kung Lao's connection to the Great Kung Lao being the only one that is ever even acknowledged.
  • Luxaren Allure: The Big Bad, Evil Overlord Darkloft, is revealed to have blonde hair during the final battle, which the developer states is a hint that she's distantly related to Aurelie's infernal element family. However, the developer states that it's a possibility and doesn't confirm this.

    Western Animation 
  • Debate rages on as to the nature of Chip 'n Dale's relationship. Are they (possibly twin) brothers, friends, or even something more? Official media can't seem to make up their minds either.
  • My Little Pony: Friendship is Magic:
    • The background ponies who participate in "Sisterhooves Social", "Brotherhooves Social", and "The Cart Before the Ponies" are paired with foals of varying degrees of resemblance. The main characters participating have done so with established biological siblings (Rarity and Sweetie Belle, Applejack/Big Macintosh and Apple Bloom) and honorary (Rainbow Dash and Scootaloo), leaving the nature of those pairings open to interpretation.
    • Cloud Chaser and Flitter often appear together, have the same blue pelts, similar eye colors, and similar mane colors. It's not clarified if they're fraternal twins, of another relation, or just similar-looking friends.
    • In "Pinkie Apple Pie", some genealogical records appear to reveal that Pinkie Pie is a distant cousin of Applejack's, but one of the names is smudged on the relevant page. Pinkie goes with AJ's family on a journey to the Apple family historian to clear the issue up—but those family records are smudged as well. At the episode's end, Pinkie and AJ still don't know if they're related, but decide Pinkie can be a member of the Apple family if she wants.
    • In "Grannies Gone Wild", the stage magician Jack Pot looks and acts a lot like a male version of Trixie, and he's old enough to be Trixie's father. For what it's worth, the Loose Canon book My Little Pony: Ultimate Guide does specify that they're father and daughter, and it came out a year before the episode aired. According to the writers is that the implications were intentional but "Hasbro may decide to change their minds down the line somewhere."
  • The short A Kitty Bobo Show stars a cat whose parents are two dogs. It's unclear if dogs can have cats in this universe, if he's adopted, or if one of them is a step-parent. According to Kitty's voice actor, the show would have revealed him to be Happily Adopted.
  • In Invader Zim, Irkens are born in Uterine Replicators and don't seem to have parents or families of any sort. That said, the co-rulers of the Empire, Almighty Tallest Red and Almighty Tallest Purple, are identical save for their titular eye color, and based on "The Trial," seem to have hung out together since their youth. Are they some kind of twins or clones?
  • Gems in Steven Universe, thanks to Bizarre Alien Reproduction, don't have biological relatives the way humans do, the only exception being Rose Quartz and Steven. Thus, the series often plays loose with how "familial" relationships between gems are:
    • While Garnet, Pearl, and Rose Quartz live(d) together, they first met as peers, whereas Amethyst was implied to have been raised by them—they were the first people she ever met, and Amethyst was born a Blank Slate instead of being fully Born as an Adult like most Gems. She has been variously treated by the others like an adopted child, younger sibling, or friend (with some viewers seeing her and Pearl as having romantic chemistry).
    • Garnet, Pearl, and Amethyst helped raised Steven, and though he assessed how "mom-like" each was, he never uses any term more specific than "family". In-series, people in town seem confused about how Steven is "related" to the Gems: Mayor Dewey assumed they were his sister (which completely baffles Steven, though that's possibly because gems are genderless) while Sadie at one point refers to them as "Steven's... family?" Andy calls them Steven's "aunts", though he seems to be speaking in a non-literal sense.
    • The Diamonds are extremely close, and there's hints that White Diamond created the other three. Fans debate on how to define the dynamics. Are the four like sisters, or is White Diamond sort of the mother of the others, or are all three older Diamonds sort of co-mothers to Pink? The latter is the most conducive to those who see Yellow and Blue's relationship as more romantic than familial.
    • Among the Off Colors are Conjoined Twins that resulted from a single rutile gemstone branching out in multiple directions. They're referred to by other Gems as the "Rutile Twins", but siblings are explicitly a foreign concept to Gems, so they likely mean "twins" in a geological sense. It is debatable if they can literally be considered siblings.
    • A few times Gems familiar with the concept of family have referred to Gems made together as if they were relatives: Amethyst once called Jasper "sis" and a group of other quartz-type gems her "Famethyst" because they were all made on Earth. Steven told some Rose Quartzes that being made by Pink Diamond makes them and he himself like siblings, though the comparison is kind of lost on them.
  • Classical Mythology, of course, is one ridiculously tangled and incestuous family tree. Hercules: The Animated Series naturally makes several gods implicitly Unrelated in the Adaptation, but isn't specific as to what relations there are. For example, Ares and Athena are referred to as "siblings," as are Apollo and Artemis, but Hercules is the only character explicitly stated to be Zeus' child. There's even a reference to the gods "[giving] birth through their heads", which is how Zeus birthed Athena in the mythology, but no one calls Athena Zeus' daughter or Hercules' sister.
  • In South Park, Michael of the Goth kids is designed like most white characters, but one episode shows an Asian woman whom he refers to as "Mom." Is he mixed-raced and the limited art style just doesn't reflect this, or is she his stepmother? Adding to the confusion is an earlier episode where he seems to imply that his parents broke up, but then, the Goths are known to be Unreliable Narrators when it comes to angsty backstories, and it's not like South Park kept an airtight continuity in its early seasons.
  • SpongeBob SquarePants: Mr. Krabs is a crab; however, his daughter Pearl is a whale, and her mother goes unmentioned. It's never specified in-series if she is adopted or his biological daughter through Interspecies Romance or Random Species Offspring. A book written by one of the writers implies that Mr. Krabs was married to a whale and that Pearl takes after her Missing Mom.
  • The Simpsons:
  • Batman: The Animated Series features a downplayed example in the case of Arkady Duvall. We know he is Ra's Al Ghul's son, we just don't know if he and Talia share a mother.
  • Uncle in Jackie Chan Adventures may be Jackie and Jade's biological relative or their Honorary Uncle. Jackie calls him uncle, but so does Jade and everyone else. One episode involving time travel reveals that he went by "Uncle" even before Jackie came to live with him.
  • In Milo Murphy's Law, Mort and Chad look similar and often hang out together. Them being brothers/cousins was common Fanon before being Jossed by Word of God.
  • Transformers Animated featured Continuity Cameos by the Witwicky family, the Autobots' human allies in the Generation 1 cartoon. Spike and Carly are clearly shown to be husband and wife with Daniel still being their son, but the character resembling Spike's father Sparkplug is never seen with the rest of the Witwicky family and is never given a name, which makes it unclear whether he's still related to the Witwickys in this continuity or if he is intended to be an unrelated character who just happens to bear the likeness of Spike's father from the Generation 1 cartoon.


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