History Main / RelatedInTheAdaptation

* In the NewFiftyTwo version of ''[[Comicbook/NewGods The Forever People]]'', Serafina (the {{Gender Flip}}ped version of Serifan from previous continuity) is Vykin the Black's sister. This also entails giving the blond Serifan a RaceLift.

* In the NewFiftyTwo version of ''[[Comicbook/NewGods The Forever People]]'', Serafina (the [[Gender Flip]]ped version of Serifan from previous continuity) is Vykin the Black's sister. This also entails giving the blond Serifan a RaceLift.

* ''[[WesternAnimation/SpiderMan1967 Spider-Man]]'' (1967) had Mary Jane Watson as [[TheCommissionerGordon Captain Stacy's]] niece. Which of course would have also made Gwen Stacy her cousin. Unfortunately, we never get to see Gwen, so we don't get to see how being related would have reflected on their usual BettyAndVeronica dynamic.
** Another way to look at this is that Mary Jane is a CompositeCharacter with Gwen, but changed from Capt. Stacy's daughter to niece to explain the different surnames.

* On the original ''Literature/TheSnowQueen'', lead heroine Gerda and the Snow Queen are unrelated. On the Disney adaptation ''Disney/{{Frozen}}'', the two equivalent characters, Anna and Elsa, are sisters.

** [[spoiler:Molten Man]] gets upgraded from [[spoiler:Liz Allan's]] step brother, Mark Raxon, to a full brother. Accordingly, he gets a last name change to [[spoiler:Allan]] and a RaceLift to match the one [[spoiler:Liz]] got for the series.

* Most scholars believe that Achilles and Patroclus were lovers in the original version of ''Literature/TheIliad'', but they were made cousins in the 2004 movie ''Film/{{Troy}}'', and the insistence on this being the reason for their closeness, (and Achilles' RoaringRampageOfRevenge when Patroclus is killed) bordered on HaveIMentionedIAmHeterosexualToday CleolindaJones mocked this change mercilessly in her parody of the film.

* A [[PragmaticAdaptation pragmatic change]] to eliminate some exposition; it's easier to introduce Alice and Bob as brother and sister than to introduce Bob as Alice's childhood friend staying at her house while his parents are dead, missing, or off being the HeroOfAnotherStory.

* The characters have something that makes them very similar (be it Superpowers, appearance, motivations, what have you), and thus linking them together makes sense thematically.

* The ''Manga/SailorMoon'' English dub rather infamously made Sailors Uranus and Neptune cousin as something of a lazy fix to cover up the [[{{Bowdlerize}} Lesbian flirting between the two so it was appropriate for a 90s kid show]]. Unfortunately for the [[MoralGuardian Moral Guardians]] the change made them come across as still being lesbians, but also KissingCousins.
* Likewise when {{Nelvana}} {{Macekre}}d ''Manga/CardcaptorSakura'' into ''Cardcaptors'' they made two of Sakura's classmates who were clearly fond of each other, with a snarky, cute relationship, into cousins. Whereas they removed the fact that [[ChildhoodMarriagePromise Meiling]] and Syaoran were cousins by changing Meiling's surname to Rae.

* ''Film/XMenOriginsWolverine'' makes Sabertooth Wolverine's half-brother (as opposed to simply being another Weapon X experiment). Though it seemed to be {{Fanon}} before the movie was filmed, due to Dog (Wolverine's half-brother in the comic) having a resemblance to Sabertooth in the end. This also makes him a CompositeCharacter.

* In ''Film/XMenFirstClass'', Professor Xavier and Mystique are step siblings, meanwhile there's an inversion with Havok who in the comics is Cyclops' younger brother but in the film there is no mention of any relationship.
** Likewise in ''Film/XMenTheLastStand'' there is no relationship between Xavier and Juggernaut while they are step brothers in the comics (with Juggernaut's hatred of Xavier being his major motivation).

* Avoiding the UnfortunateImplications of an adult being OneOfTheKids by making said adult a parent or an elder sibling to at least one of the kids they're running around with.

* ''WesternAnimation/HeManAndTheMastersOfTheUniverse2002''. The 2002 He-Man series made Man-At-Arms and Fisto brothers. Also there was some implication (though never confirmed) that either Man-At-Arms or Fisto was Teela's biological father. In the original cartoon Teela was Man-At-Arms' adopted daughter and her biological father was an unnamed soldier who had died years before.

* May have been intended in the Film/{{Transformers}} film franchise, when Optimus Prime calls his arch-nemesis Megatron "brother", even thought they're robots. Making this example a sort of CainAndAbel.

* ''Film/XMenOriginsWolverine'' makes Sabertooth Wolverine's half-brother (as opposed to simply being another Weapon X experiment). Though it seemed to be {{Fanon}} before the movie was filmed, due to Dog (Wolverine's half-brother in the comic) having a resemblance to Sabertooth in the end. This makes him a CompositeCharacter.
* A variation of this trope. In the TV series of ''Series/TheAddamsFamily'', Fester is Morticia's uncle. In the films, he's Gomez's brother. This is due to their dynamic chemistry in the TV series.

* A [[PragmaticAdaptation pragmatic change]] to eliminate some exposition; it's easier to introduce Alice and Bob as brother and sister than to introduce Bob as Alice's childhood friend staying at her house while his parents are off being the HeroOfAnotherStory.

* Avoiding the UnfortunateImplications of an adult being OneOfTheKids by making said adult a parent to at least one of the kids they're running around with.

* In ''WesternAnimation/MyLittlePonyFriendshipIsMagic'', [[spoiler:Tirek and Scorpan are brothers, while in the [[WesternAnimation/MyLittlePonyTVSpecials original TV special]] Scorpan was his [[TheDragon Dragon]]. In both cases, they eventually pulled a HeelFaceTurn and helped the ponies defeat him.]]

In a work, there are two characters who aren't related in any way. The creator may not have intended (at the time, anyway) for them to be relatives. But when that work is adapted to another form of media, suddenly the people in charge decided to make them relatives. This can be for a variety of reasons including (but not limited to):

* In ''WesternAnimation/MyLittlePonyFriendshipIsMagic'', [[spoiler:Tirek and Scorpan are brothers, while in the [[WesternAnimation/MyLittlePonyTVSpecials original TV special]] Scorpan was his [[TheDragon Dragon]]. In both cases, they eventually pulled a HeelFaceTurn.]]

[[AC:Anime/Manga]]

[[AC:Comics]]
* ''ComicBook/UltimateSpiderMan'':

[[AC: Film]]

* In the TV series of ''Series/TheAddamsFamily'', Fester is Morticia's uncle. In the films, he's Gomez's brother.
* ''Film/XMenOriginsWolverine'' makes Sabertooth Wolverine's half-brother (as opposed to simply being another Weapon X experiment). Though it seemed to be fanon before the movie was filmed, due to Dog (Wolverine's half-brother in the comic) having a resemblance to Sabertooth in the end. This makes him a CompositeCharacter.
* A variation of this trope. In the TV series of ''TheAddamsFamily'', Fester is Morticia's uncle. In the films, he's Gomez's brother. This is due to their dynamic chemistry in the TV series.

[[AC: Live Action TV]]

* Freddy Martinez and Cara, best friends in the ''Literature/{{Goosebumps}}'' book "Vampire Breath", are said to look like siblings. When it was adapted into a TV episode, they are actually siblings. [[spoiler:They learned that they're vampires and Count Nightwing is their grandpa. While in the book, only Fred is a vampire, while Cara becomes a werewolf...]]

[[AC: Theater]]
* In the stage musical of Disney's ''TheLittleMermaid'', Triton and Ursula are siblings. (This was part of Disney's original concept for the movie, but it was dropped in development.)

[[AC: Western Animation]]

* ''WesternAnimation/TheSpectacularSpiderMan'':

* Franchise/TeenageMutantNinjaTurtles: Karai in the original Mirage comics was simply Shredder's top agent. In the 2003 cartoon she is his adopted daughter. In the 2012 cartoon she appears to be Shredder's biological daughter, but it's later revealed he kidnapped her in infancy and raised her, but she's actually Splinter's biological daughter (making her the turtles 'step'-sister.)
* The 2002 [[WesternAnimation/HeManAndTheMastersOfTheUniverse2002 He-Man series]] made Man-At-Arms and Fisto brothers. Also there was some implication (though never confirmed) that either Man-At-Arms or Fisto was Teela's biological father. In the original cartoon Teela was Man-At-Arms' adopted daughter and her biological father was an unnamed soldier who had died years before.
* In ''WesternAnimation/MyLittlePonyFriendshipIsMagic'', [[spoiler:Tirek and Scorpan are brothers, while in the [[WesternAnimation/MyLittlePonyTVSpecials original TV special]] Scorpan was his [[TheDragon Dragon]]. In both cases, they eventually pulled a HeelFaceTurn.]]

* In ''WesternAnimation/MyLittlePonyFriendshipIsMagic'', [[spoiler:Tirek and Scorpan are brothers, while in the [[WesternAnimation/MyLittlePonyTVSpecials original TV special]] Scorpan was his [[TheDragon Dragon]] until he pulled a HeelFaceTurn]].

* The 2002 [[WesternAnimation/HeManAndTheMastersOfTheUniverse2002 He-Man series]] made Man-At-Arms and Fisto brothers. Also there was some implication (though never confirmed) that either Man-At-Arms or Fisto was Teela's biological father. In the original cartoon Teela was Man-At-Arms' adopted daughter and her biological father was an unnamed soldier who had died years before.