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->''"Splinter taught them to be ninja teens.\\
Leonardo leads, Donatello does machines.\\
Raphael is cool but rude, Michelangelo is a party dude!"''
-->-- '''''WesternAnimation/TeenageMutantNinjaTurtles1987''''' {{Expository Theme|Tune}} [[ThemeTuneRollCall Tune Roll Call]]

Note: All stereotypes can be any of the four temperaments, as style is a separate factor to ones temperament.

There are many ways to make a group of people diverse without giving them overly specialized roles within an ensemble. One way is through matching personality types according to a [[ScienceMarchesOn wacky ancient pseudoscience]]. The Four Temperaments (also called the "four humors") was a theory that behavior was caused by concentrations of body fluids -- the "humors" of classical medicine: blood, yellow bile, black bile, and phlegm.

A temporary imbalance would create an illness: too much blood caused a fever, too much yellow bile caused a cough, too much black bile caused depression, and too much phlegm caused a cold. A permanent imbalance led to a person having a certain type of intentions, behavior, and personality. Though [[ScienceMarchesOn this theory has long since been discredited from a scientific standpoint]], the general idea still remains and the theory is still used for personality profiling. An ensemble based on these four humors can make the cast diverse without actually changing the roles of the characters in the story.

The four temperament system was an interesting one, but flawed. Several tests noticed people that did not conform to any of the behavior types, so a neutral temperament was created. Along with a ''sampling'' of related tropes, the four temperaments (humors) are:

* '''Sanguine (blood):''' Extroverted, emotional, and people-oriented
** Key Strengths: Friendly, cheerful, energetic, [[TheMcCoy compassionate]], loves people, [[TurnTheOtherCheek forgiving]], confident, charming, talkative, an excellent comedian or sailor, and just plain fun.
** Key Weaknesses: Weak-willed, [[ItsAllAboutMe egotistical]], [[MoodSwinger emotionally unstable]], gullible, too people-pleasing, shallow, scatterbrained, disorganized, self-absorbed, [[MotorMouth too talkative]], hyperactive and frivolous at times.
** Expressive high, responsive high; response's delay short, duration short.
** The '''I'''nspired '''I'''nfluencer of D'''I'''SC.
** Corresponds to the season of '''''spring''''' and the (hot and moist) [[BlowYouAway air]] element.
** Temperaments corresponding to the four divisions of the day: Morning
** In a person's life, it corresponds to '''''young childhood''''' (roughly ages 0-13).
** Will often correspond with the Optimist when in a FourPhilosophyEnsemble.
** Amongst the four main "Dere Types" can qualify as the {{Yandere}}.
** Archetypal color: Gold, all shades of pink or aqua (the colors of the Sky).
** The Yin-Yang Duo: Yang (white).

* '''Choleric (yellow bile):''' Extroverted, unemotional, and task-oriented
** Key Strengths: [[TheKirk Takes the lead]], independent, hard worker, goal-oriented, strong-willed, practical, confident, [[ChallengeSeeker loves a challenge]], [[{{Hotblooded}} passionate]], thrives under criticism, [[{{Determinator}} determined]], an excellent strongman/woman of the team or drill sergeant at the most extreme.
** Key Weaknesses: [[HairTriggerTemper Hot-tempered]], can be cruel, rebellious, stubborn, harsh, insensitive, arrogant, rude, {{workaholic}}, often [[DramaQueen dramatic]], [[MeanBoss bossy]], [[RageBreakingPoint can become psychotic in overbearing situations]], [[RevengebeforeReason vindictive]], a warmonger at times.
** Expressive high, responsive low; response's delay short, duration long.
** The '''D'''ominant of '''D'''ISC.
** Corresponds to the season of '''''summer''''' and the (hot and dry) [[PlayingWithFire fire]] element.
** Temperaments corresponding to the four divisions of the day: Afternoon
** In a person's life, it corresponds with '''''adolescence''''' and '''''young adulthood''''' (roughly ages 13-35).
** Will often correspond with the Realist when in a FourPhilosophyEnsemble.
** Amongst the four main "Dere Types" can qualify as the {{Tsundere}}.
** Archetypal color: Yellow, all shades of red or orange (the colors of a Volcano).
** The Yin-Yang Duo: Yang (white).

* '''Melancholic (black bile):''' Introverted, emotional, and task-oriented
** Key Strengths: Deep, thoughtful, sensitive, artistic, [[ThePerfectionist perfectionist]], conservative, [[UndyingLoyalty faithful to a fault]], self-sacrificing, an excellent leader or medic, [[TheSpock analytical]], organized, [[CrazyPrepared practical]], detailed, elegant (in the more dignified ways), [[GuileHero an effective manipulator of people]].
** Key Weaknesses: [[GrumpyBear Pessimistic]], [[ByronicHero moody]], [[BestServedCold vengeful]], [[AccentuateTheNegative critical]], [[TheEeyore depressed]], impractical (yes, both practical and impractical), [[NervousWreck insecure]], bashful, [[TheResenter resentful]], self-righteous, has unrealistically high expectations, snobbish, [[TheParanoiac very paranoid]], likes to be regarded formally such as Mr/Mrs.
** Expressive low, responsive low; response's delay long, duration long.
** The '''C'''autious and '''C'''onscientious of DIS'''C'''.
** Corresponds to the season of '''''autumn''''' and the (cool and dry) [[DishingOutDirt earth]] element.
** Temperaments corresponding to the four divisions of the day: Evening
** In a person's life, it corresponds to '''''middle-aged adulthood''''' (roughly ages 35-65).
** Will often correspond with TheCynic when in a FourPhilosophyEnsemble.
** Amongst the four main "Dere Types" can qualify as a pure {{Kuudere}}.
** Archetypal color: Navy blue, dark purple, olive green, all shades of brown or black (the colors of the Underground).
** The Yin-Yang Duo: Yin (black).

* '''Phlegmatic (phlegm):''' Introverted, unemotional, and people-oriented
** Key Strengths: [[NiceGuy A real sweetheart]], thoughtful, dependable, easygoing, patient, [[EnigmaticMinion accommodating]], pleasant, witty, gentle, calm, forgiving, [[TheQuietOne quiet]] and [[StealthExpert stealthy]], an excellent assistant or spy, [[TheStoic a deep poker-face]], elegant (in the simpler ways), very compassionate, empathetic to all, a good listener, sympathetic.
** Key Weaknesses: Compromising, [[ShrinkingViolet shy and docile]], indecisive, [[TheSlacker slacker]], [[LazyBum lazy]], slow, stubborn, indifferent, [[ExtremeDoormat too yielding]], [[TheGadfly teasing]], forgetful.
** Expressive low, responsive high; response's delay long, duration short.
** The '''S'''upport and '''S'''teadiness of DI'''S'''C.
** Corresponds to the season of '''''winter''''' and the (cool and moist) [[MakingASplash water]] element.
** Temperaments corresponding to the four divisions of the day: Night
** In a person's life, it corresponds to '''''older adulthood''''' (roughly ages 65 and up).
** Will often correspond with the Apathetic or the Conflicted when in a FourPhilosophyEnsemble.
** Amongst the four main "Dere Types" can qualify as a pure {{Dandere}}.
** Archetypal color: Teal, green, white, all shades of blue or black (the colors of the ocean).
** The Yin-Yang Duo: Yin (black).

Historically in plays, there was a whole genre: Comedy of Humors, where the impetus of the story is the sudden banding of these opposing types. This is in contrast to the Comedy of Errors, where the story is driven by the events and situations.

A FiveManBand cannot itself be a Four Temperament Ensemble, as they're mutually exclusive. They are similar to the four PersonalityBloodTypes, and are sometimes also a FourElementEnsemble.

See also CastCalculus for the overarching archetypes in this and differently numbered ensembles. [[ImageLinks/FourTempermentEnsemble Here is an Image Archive for this trope]]. Additionally, Pseudolonewolf (of {{MARDEK}} fame) has a page that goes into great detail on the four temperaments, [[http://archive.fighunter.com/?page=temperaments here]], and TheOtherWiki offers its information [[http://en.wikipedia.org/wiki/Four_temperaments here]]. For another way to split up a group of four, see FourPhilosophyEnsemble.

[[noreallife]]

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!!Examples:

[[index]]
* FourTemperamentEnsemble/AnimeAndManga
* FourTemperamentEnsemble/ComicBooks
* FourTemperamentEnsemble/{{Film}}
* FourTemperamentEnsemble/{{Literature}}
* FourTemperamentEnsemble/LiveActionTV
* FourTemperamentEnsemble/{{Music}}
* FourTemperamentEnsemble/VideoGames
* [[FourTemperamentEnsemble/WebOriginal Web Comics / Web Original]]
* FourTemperamentEnsemble/WesternAnimation
[[/index]]

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[[folder:Tabletop Games]]
* In ''TabletopGame/{{Warhammer}}'' and ''TabletopGame/{{Warhammer 40000}}'', appropriately enough, the four gods of Chaos each represent an emotion and mindset. Khorne the god of anger and bloodshed is choleric. Slaanesh god of passion and lust is sanguine. Tzeentch god of ambition and hope is (ironically) melancholic. Nurgle god of despair and disease is phlegmatic.
[[/folder]]

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