This trope describes when a particular element of a story or setting has been expanded to the point that there's a version to suit every viewer's preference. Another way to describe it might be "a taste for every appetite".

Sometimes this happens gradually, over the course of a series/setting - usually in response to [[FanService fan demand]] or just because it's good marketing. In some cases it grows into a PlotTumor proper.

A codifying example would be the [[OurElvesAreDifferent Elf]] as portrayed in the ''TabletopGame/DungeonsAndDragons'' tabletop roleplaying game, where the basic "Elf" player race found in the ''Player's Handbook'' quickly branches into Dark Elves and Wood Elves in the ''Monster Manual''/''Dungeon Master's Guide'', and in other official sourcebooks includes Gold, Grey, Sun, Moon, Wild, Sea, High, infernal and celestial variants, Half-Elves and Avariel, just to name a few. Third-party books include countless further versions.

This trope is tied to most "[[OurMonstersAreDifferent Our x are different]]" Tropes, but isn't quite the same; this trope denotes the explosion of "difference" in a single series or setting, rather than just the varied interpretations of an idea between settings. The CastFullOfPrettyBoys and ImprobablyFemaleCast can also be examples of this trope, since they generally exist to provide a large cast catering to a number of niche archetypes and [[FetishFuel fetishes/paraphilias]].

The vast selection of deities in most polytheistic religions is a real-life UrExample of this trope.

{{Romance Game}}s do this all the time. For {{Otome Game}}s and {{Boys Love Game}}s, there's a standard cast: The [[ShelteredAristocrat rich guy]], the energetic, straightforward guy, the [[StoicSpectacles cool, aloof guy with glasses]], the athletic guy, the guy who is [[{{Bishonen}} pretty as a girl]], the "cool older brother" type, and the [[TokenMiniMoe suspiciously young-looking]] guy.

In a case where the setting Tastes The Rainbow on a cosmological level, it's probably a FantasyKitchenSink where every conceivable mythological creature/hero/pantheon shows up at some point.

The [[TropeNamer title]] comes from the advertising slogan for [=Skittles=] candy.

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!!Examples:

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[[folder:Anime and Manga]]
* ''GakuenHeaven'' is a BoysLove series set at an exclusive high school that includes every archetype of guy there is - and all of them are [[CastFullOfPrettyBoys hot]].
* Negi's class in ''{{Negima}}'' is a walking TasteTheRainbow. It covers almost every imaginable female character trope appreciated in anime, and at least ''suggests'' most of the fetishes. If we extend that range beyond the class itself, we hit pretty much every conceivable form of FetishFuel at some point. As well dozens of iterations of RuleOfCool.
* The entire ''point'' of the ''OuranHighSchoolHostClub'' (the titular club, not the series itself) is to cram in as many different forms of female-aimed {{fanservice}} and types of hot guy as possible.
* [[EverybodyWasKungFuFighting Martial arts]] in ''[[RanmaOneHalf Ranma 1/2]]'' fit this trope perfectly. No matter what hobby, lifestyle or animal you can imagine - from flower-arranging to breaking and entering - ''somebody'' in the ''Ranma'' universe has made it into a martial art.
* ''Manga/TheWorldGodOnlyKnows'' makes sure to include every single female archetype found in a RomanceGame -- with a few curveballs to make the GenreSavvy protagonist's life harder.
* ''SaintBeast'' has [[CastFullOfPrettyBoys bishonen]] of every shape, size, CharacterAlignment, archetypal personality, and [[HoYay shipping potential]] a fangirl could want. And they probably ''do'' cover the entire rainbow as far as [[YouGottaHaveBlueHair hair colour]] goes.
* The class in ''SayonaraZetsubouSensei'' is like [[{{Negima}} Negi's]], but with severe personality disorders instead of fetishes ([[RuleThirtyFour well, they're probably]] ''[[RuleThirtyFour someone's]]'' [[RuleThirtyFour fetishes...]].)
* ''QueensBlade''. If it's FetishFuel, then it's represented by a character in this universe. Examples include LesbianVampire {{Maid}}, {{Yandere}} CatGirl warrior, and an ActionMom who can use her own [[GagBoobs huge tracts of land]] as makeshift pillows.
* ''Femme Kabuki'' is like the above except invoked and intentional In-Universe given they're a Meiji Era burlesque/HookerWithAHeartOfGold troupe that correspond to the fetishes of the day whether an [[HighClassCallGirl Oiran]] TeamMom, a TokenMiniMoe saving herself for a boyfriend back home, a TomboyAndGirlyGirl pair of VitriolicBestBuds, ForeignFanservice that's actually ButNotTooForeign or TheIngenue implied to be the star of the show.
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[[folder:Comics]]
* ''The Adventures Of Olivia'' is this when it comes to [[RaceFetish race, ethnicity and if nothing else occupation]] as the title character's a Black woman with giant afro-puffs, [[LatinLover Mexican Lupe, Italian]] [[GrandmaWhatMassiveHotnessYouHave Anna,]] [[MatzoFever Jewish meganekko Naomi,]] South Asian [[BigBeautifulWoman Fatima,]] [[ValleyGirl Sandy]] [[PunnyName Shores,]] [[BraidsBeadsAndBuckskins Native American]] [[TwoferTokenMinority Pen]][[LipstickLesbian ny,]] East Asian [[ThirdPersonPerson Mi-Hy]] and [[SpoiledSweet rich-as-fuck and so, so '80s opulence]] Sylvia having theme episodes like being [[HospitalHottie nurses,]] [[BeachEpisode wearing bikinis]] or going to the gym.
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[[folder:Literature]]
* Polytheism is parodied in Literature/{{Discworld}}, where there is a god for just about every niche you can imagine ([[PunnyName Anoia]], the Goddess of Things That Get Stuck in Drawers, is probably the most commonly-seen example.)
* The list for TheDresdenFiles isn't quite as numerous as some of the other examples, but Harry has faced off against three highly varied species of vampires, with another species mentioned offhand (thankfully, [[Literature/{{Twilight}} none of them sparkle]]). There's also just about any variation of faerie you can imagine (along with more than a few you'd rather not.)
** Werewolves, too. Most of a chapter in the second book is devoted to explaining the differences between the various types.
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[[folder:Film]]
* Fighting robots in ''RealSteel'' show a tremendous amount of variation apart from their humanoid shape.
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[[folder:Live Action TV]]
* ''PowerRangers'' - ignoring the multicolored spandex jokes - has a team for just about anything that falls under the RuleOfCool: dinosaur Rangers, ninja Rangers, car Rangers, beast Rangers, wizard Rangers, and so on and so on...
** Depending on how things will turn out, we may get [[Series/KaizokuSentaiGokaiger pirate Rangers]] in a near future.
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[[folder:Tabletop Games]]
* As above, the ''TabletopGame/DungeonsAndDragons'' RPG illustrates this trope beautifully with elves, and occasionally dwarves (though the dwarves tend to have [[OurDwarvesAreAllTheSame very little actual variety]].)
* If elves are the best ''D&D'' example, [[OurDragonsAreDifferent dragons]] are certainly second. Chromatic (evil-aligned) and metallic (good-aligned) groups reside in the core books, along with not-quite-dragons like pseudodragons, drakes and fairy dragons, while later expansions introduce the various gem (psionic/neutral-aligned) varieties, shadow, fang, force, prismatic, sand, pyroclastic, stygian, and various oriental versions (once again, just to name a few.) Of course, dragons also seem to [[ShapeshiftingSquick breed with anything that moves]], meaning there are also countless "draconic" versions of other critters as well. There truly is a dragon for every season.
** That is, every season on every planet in the multiverse, not just 4.
* It was a joke for a while among the ''{{Exalted}}'' developers that the only perversion that didn't exist in Creation was Pyrohomonecropedobestiality: "Having sex with a dead underaged animal of the same gender that's on fire."
** Much to the dismay of the ''[[OddJobGods god]]'' [[OddJobGods of having sex with a dead underaged animal of the same gender that's on fire]], who is the only god in Creation who has been out of work for his entire existence as a result. Creation kind of operates on a modified version of RuleThirtyFour: if it exists, there's a god for it. No exceptions.
** I'm sure that by now, some GM has included pyrohomonecropedobestiality in his campaign.
* Clans and Bloodlines in ''TabletopGame/VampireTheMasquerade'' eventually became this.
* In ''TabletopGame/{{Warhammer 40000}}'', there's a space marine faction for whatever particular flavour you like. The same is true of Imperial Guard, where every guard faction is an expy of a real-world military stereotype, complete with a faction who define themselves by surrendering.
* Japanese {{Romance Game}}s do this all the time. Now imagine if every single beautiful woman from every single {{Eroge}} duke it out in a card game. That would be the general feeling of ''Lycee TCG''. Characters that [[TropesAreNotBad share archetype]] also share "[[MagicTheGathering colors]]" and Standard abilities, but each character has her (or his[[note]]There are also {{Bishounen}} characters[[/note]]) unique Character ability.
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[[folder:Video Games]]
* ''VideoGame/{{Touhou}}''. It's doing its best to include an {{Improbably Female|Cast}} version of just about everything from Japanese folklore. The earlier games include some western creatures as well.
* The HarvestMoon series is playing into this more and more each generation with their bachelors and bachelorettes. There's almost always a GirlNextDoor, a weird girl, a {{Tsundere}}, et cetera, et cetera.
* ''VideoGame/TheIdolmaster'' uses this as premise for including in the cast every possible {{Moe}} archetype.
* ''ShinMegamiTensei'': The archetypal {{Mons}} series. If it's a supernatural creature or god from folklore (old or new), you can [[OptionalPartyMember recruit it]]. And before/after that, you ''will'' [[RandomEncounters kill it]].
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[[folder:Western Animation]]
* TotalDramaIsland - 22 contestants (with added 2, then 13, and by season six 14), each one more different than the other. Except Katie and Sadie, but that's their point.
* LaurenFaust has explicitely stated that she has designed the [[IncrediblyLamePun Mane]] 6 characters in ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' to cover all the different personalities of girls.
--> '''Lauren Faust:''' [[http://msmagazine.com/blog/blog/2010/12/24/my-little-non-homophobic-non-racist-non-smart-shaming-pony-a-rebuttal/ There are lots of different ways to be a girl. You can be sweet and shy, or bold and physical. You can be silly and friendly, or reserved and studious. You can be strong and hard working, or artistic and beautiful. This show is wonderfully free of “token girl” syndrome, so there is no pressure to shove all the ideals of what we want our daughters to be into one package.]]
** Lauren got put in charge of ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' when pitching her ''MilkyWayAndTheGalaxyGirls'' concept to {{Hasbro}}, which clearly has the above reasoning in mind.
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