Line #7 Main/WeakerTwinSavesTheDay


1	A pair of AlwaysIdenticalTwins with one stronger in some way (more intelligent, quicker, more athletic, etc.) and the other one weaker (less motivated, is the disappointment, inferiority complex).
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3	The plot starts with the stronger twin dead or dying. The weaker twin mourns his brother's passing, but suddenly finds that he is thrust into the limelight and forced to TakeUpMySword and assume the mantle of his brother since he's a SuspiciouslySimilarSubstitute. Often, this is due to his genetic make-up being exactly the same as his brother's, and hence, despite the apparent lack of suitability (his lack of confidence, weakness of character, or some other perceived weakness), he is the only possible candidate due to his genetic likeness.
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5	Often the character suffers as the AngstySurvivingTwin but has no choice in the matter as he is the BackupTwin due to his DNA sequencing being exactly like his dead brother's and is essential to the plot moving forward.
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7	Also, this is usually a perspective flip of BackupTwin shown from the perspective of the people who knew the original and received the back up. This is where the backup is the main character. Compare YoungestChildWins.
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9	!!Examples:
10	[[AC:AnimeAndManga]]
11	* In ''Manga/{{Basara}}'', Sarasa disguises herself as her brother to fulfill his destiny for him after he dies. Genetics are not involved, but a prophecy that was told for both of them (but assumed to be about her brother) could be said to have the same function.
12	* ''Manga/BlackButler'' actually serves as a deconstruction of this trope. [[spoiler:The protagonist is actually Ciel Phantomhive's twin brother]] and, while he has managed to achieve quite a few things [[spoiler:with and without Sebastian's help]], he is still weak in his initially weak areas.
13	* In ''[[Anime/{{K}} K: Return of Kings]]'', there's a scientist example with Adolf K. Weismann, who worked with his twin sister Claudia on the superpower-giving Slates decades ago - she died in a bombing, but the Slates made him immortal. He now has to solve an issue using his sister's notes on the Slates, and says that she was the smarter one, and that it's hard for him to understand her thinking. But he does end up figuring out what needs to be done.
14	* ''Manga/Touch1981'' has this as its premise, with ChildishOlderSibling Tatsuya having to step up and become a great baseball player after a tragedy prematurely ends the promise of his twin brother Kazuya.
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16	[[AC:{{Film}}]]
17	* In ''Film/EagleEye'', Creator/ShiaLaBeouf plays a set of identical twins, but the main character is a 'failure' whose twin brother works on a top secret AI project called ARIIA. The brother was killed in an accident in the film. The main character is mysteriously 'activated' by the AI as his identical DNA is crucial to unlocking the AI from a state of inability to act.
18	* In ''Film/{{Avatar}}'', Jake is paralysed from the waist down; he survives his twin brother, who works on a scientific mission to Pandora and has a Na'vi avatar which only a genetic equivalent can use. Jake's asked to take up his brother's avatar (otherwise it's a waste of an investment), but instead, Jake sides with the Na'vi.
19	* In the Creator/ChrisRock vehicle ''Film/BadCompany2002'', a CIA agent dies in the middle of an important undercover operation, and the CIA call on his separated-at-birth twin brother, an immature hustler, to keep the cover identity alive.
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21	[[AC: LiveActionTV]]
22	* ''Series/OnceUponATime'': In the first season episode "Shepherd," when Prince James is killed before he fights a Dragon so King Midas will reward his kingdom with gold, his twin brother David is quickly adopted and masquerades as him. Averted in that David was both a better fighter ''and'' prince than James.
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24	[[AC: {{Literature}}]]
25	* In the Creator/RobertAHeinlein book ''Literature/TimeForTheStars'', the Long Range Foundation is sending GenerationShips to the stars, and to overcome the difficulties of time-dilated, luminal communication, they take advantage of the occasional ESP of identical twins. The hero lives in the shadow of his more out-going, adventurous brother, but ends up going to the stars when his brother breaks his leg skiing.
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27	[[AC: VideoGames]]
28	* ''VideoGame/BrothersATaleOfTwoSons'': [[spoiler:The more headstrong elder brother dies as a result of injuries sustained in battle with a [[SpiderPeople spider-girl]] that [[TheFarmerAndTheViper they previously saved]], forcing the meek younger brother to finish the quest to cure their father alone]].
29	* ''VideoGame/LuigisMansion'' features a LighterAndSofter take on the trope, Mario, of course, isn't dead, or even hurt, but he is [[BadassInDistress indisposed]], and Luigi, who is more cowardly and timid than his heroic older brother, has to save him from King Boo. In ''VideoGame/LuigisMansionDarkMoon'' and ''VideoGame/LuigisMansion3'', [[spoiler:Luigi ends up having to save Mario again, along with the whole space-time continuum.]]
30	* One of the core themes of ''VideoGame/{{Mother 3}}''. After [[spoiler: Claus goes missing, Lucas]] is the only one left to [[spoiler: pull the seven Needles and awaken the Dark Dragon]]. However, there's no mantle to take up: the mission is revealed long after [[spoiler: Claus' disappearance.]] One instance where the fact that he's a twin is relevant is when [[spoiler: Lucas is mistaken for the Pigmask Commander, granting him and his friends access into Thunder Tower]].
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32	[[AC: Webcomics]]
33	* ''Webcomic/SharpZero'' has a variation of this. Elliot considers his brother Marcus the preferred twin and thinks of himself as the "evil twin" in the eyes of others. Marcus doesn't die, but Elliot is the one who gains superpowers.
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35	[[AC:Western Animation]]
36	* ''WesternAnimation/GravityFalls'' had a variation of this. [[spoiler:Dipper and Mabel's Great-Uncle Stanley was always TheUnfavorite in comparison to his super-genius twin brother Stanford, who'd been introduced to the show in the mid-season finale. However, it's Stanley who ends up saving the day, by tricking [[BigBad Bill Cipher]] into entering his mind and then [[LaserGuidedAmnesia having Stanford erase his memories]] to destroy Bill once and for all. Journal #3 shows him admit that Stanley is a hero, he is a hero's brother, and he's okay with that.]]

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