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!!'''Norman Bates'''
[[quoteright:243:http://static.tvtropes.org/pmwiki/pub/images/NormanBates_Psycho_6557.png]]

->'''Played By''': Anthony Perkins (the whole film series), Henry Thomas (Young Norman in ''Psycho IV''), Vince Vaughn (in ''Psycho'' 1998)

* {{Adorkable}}: An awkward, shy momma's boy...at first.
* AffablyEvil: When running a motel, one needs to be a people person.
* AntiVillain: As he notes during his conversation with Marion Crane on private traps, "I was born into mine. I don't mind it anymore".
* AxCrazy: When the mother side of his personality is in control, brutally stabbing anyone she needs to kill over and over again.
* BadLiar: [[spoiler: Although surprisingly enough, his stuttering and incessant chewing goes some way in convincing Arbogast that he had nothing to do with Marion's disappearance.]]
* BeingEvilSucks: For the Norman personality, going through extreme amounts of stress and anxiety covering up the murders, as well as dealing with his guilty conscience.
%%* BewareTheNiceOnes
* CartwrightCurse: [[spoiler: Connie (from ''Psycho IV'') is the only one of Norman's love interests who escapes a tragic fate.]]
* CreepyCrossdresser: When his mother personality takes over.
* CuteAndPsycho: Rare male example. His boyish charm and poor social skills can easily throw off the viewer as to his true nature.
* ADateWithRosiePalms: Subtly implied in the original, and flat out shown in the remake.
* DarkAndTroubledPast: Father died when he was five years old, leaving him in the care of an overbearing and somewhat incestuously inclined mother, who would emotionally abuse and degrade him.
* DoomMagnet: [[spoiler: All of his love interests die as a result of getting too close to him.]]
* DrivenToMadness: By his domineering mother, no less.
* DrivenToVillainy: When his mother takes a lover and continues in bullying him.
* ExtremeDoormat: To his mother, who deliberately made him dependent upon her after his father's death.
* FreudianExcuse: The abuse he was subject to by his mother when he was young.
* GollumMadeMeDoIt: The last scene of the film is his mother personality plotting and scheming to blame Norman for the murders.
* HiddenDepths: He's shown to be somewhat of a nihilistic philosopher during his brief interactions with Marion Crane.
%%* IJustWantToBeLoved
%%* InsaneEqualsViolent
* KnifeNut: As his mother. All of the murders are committed with a large kitchen knife.
* KubrickStare: Perhaps the most grim and soul destroying one in cinematic history.
%%* LonersAreFreaks
* MommasBoy: "A boy's best friend is his mother."
* MommyIssues: His murderous split personality is due to being emotionally dependent upon his mother since his father died at five years old.
* NiceGuy: When Mommy doesn't take over...
* OedipusComplex: Norman's mother deliberately isolated her five-year-old son from the outside world and made him utterly dependent on her after Mr Bates' death. Naturally enough, the twelve-year-old, completely co-dependent Norman then reacted rather badly to her remarriage.
* ThePeepingTom: In the parlor and hidden behind a painting, is a hole that looks into Cabin 1. He uses it to look at Marion Crane and Maureen Coyle.
%%* PsychopathicManchild
* ReluctantPsycho: In ''Psycho II'', ''Psycho III'' and ''Psycho IV''.
* SerialKiller: In ''Psycho II'', he is revealed to have killed seven people before being captured at the end of the first film.
* SexIsEvilAndIAmHorny: When Norman finds himself attracted to women (such as Marion Crane), the "mother" side of his personality lashes out and seeks to rid him of his sinful urges by way of murder.
* SplitPersonality: Norman and his internalized mother.
* SplitPersonalityTakeover: At the end of the first film. In the words of the psychiatrist: "Norman Bates no longer exists". He gets better in the sequel, however.
* SweetTooth: He's frequently seen with a bag of candy.
%%* SympatheticMurderer
%%* TalkingToThemself
* TaxidermyIsCreepy: He keeps a roomful of stuffed birds adjacent to the motel office. [[spoiler:And the film's great twist is that his "mother" is actually just a preserved and stuffed corpse.]]
%%* TheyLookJustLikeEveryoneElse:
* TragicVillain: Although one with an ultimately happy ending, provided you see ''Psycho IV'' as being canon.
* VillainProtagonist: After Marion's death, the film rotates between him and her sister as primary protagonists.
* WickedCultured: Norman is devotee of [[Creator/LudwigVanBeethoven Beethoven]]. While searching his room in the first film Lila notes a record of ''Symphony No. 3 ("Eroica")'' on his turntable, and in ''Psycho II'' he plays the ''Moonlight Sonata'' on the piano.
%%* WoobieDestroyerOfWorlds

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!!'''Marion Crane'''
[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/Psycho_Marion_8053.jpg]]

->'''Played By''': Janet Leigh (in ''Psycho'' 1960), Anne Heche (in ''Psycho'' 1998)

%%* {{Anti-Hero}}ine
%%* BreakTheCutie
* DecoyProtagonist: The TropeCodifier. While Sam and Norman both get a decent amount of screen-time in the early stages, the film is almost entirely her story. Then the shower scene happens...
%%* KillTheCutie
* RedemptionEqualsDeath: She would likely have ended up dead either way, but after having dinner with Norman (and just before her fatal shower) she decides to return the stolen money to her employers and face the music.
* SacrificialLion: Most famously, the film spends the first half detailing her motivations and conflicts, to make it more horrifying when Norman slaughters her.
* StealingFromTheTill: Her primary conflict is stealing money from her place of business to help pay off her lover's debts.

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!!'''Lila Loomis, née Crane'''
[[quoteright:350:http://static.tvtropes.org/pmwiki/pub/images/Lila-Psycho_1592.jpg]]

->'''Played By''': Vera Miles (in ''Psycho'' 1960 and ''Psycho II''), Julianne Moore (in ''Psycho'' 1998)

%%* AssholeVictim: [[spoiler:In ''Psycho II''.]]
%%* BestServedCold: In ''Psycho II''.
* CruelAndUnusualDeath: [[spoiler: Impaled through the mouth with a kitchen knife in ''Psycho II''.]]
* GoneHorriblyRight: Her plan to [[spoiler:drive Norman insane again]] in the second film goes off very well. Unfortunately, she wasn't counting on Mary becoming sympathetic towards Norman, and ''definitely'' didn't foresee [[spoiler:Emma Spool]] messing everything up.
* HeroAntagonist: Towards Norman, in ''Psycho'' and ''Psycho II'', however, it's subverted in ''Psycho II'', as the Antagonist side of this trope outweigh the Hero part despite Lila still fulfilling the same trope.
* InspectorJavert: A non-cop version. Still hounds Norman and views him as the irredeemable murderer after he's been released from the mental institution in ''Psycho II''.
* JerkassHasAPoint: In ''Psycho II'', although she does not give Norman a chance for the murder of her sister, in the opening courtroom scene, she was correct that usually the justice system would not give criminals convicted of first degree murder a light sentence of being released back into society to reintegrate, which is why Lila in the second film counts a a WellIntentionedExtremist.
* NotSoDifferent:
** Seeing as how [[spoiler:Lila treats her daughter in ''Psycho II'', she has more than a few similarities to the mother that drove Norman Bates insane.]]
** And, of course, there's the fact that [[spoiler:she sets everything up to make Norman go insane again. Sure, she has a reason for not liking him because he killed her sister and several other people, but to attempt to send him back to the asylum and possibly kill again is just ''wrong''.]]
%%* RevengeBeforeReason: In ''Psycho II''.
* RelationshipUpgrade: She married Sam Loomis between ''Psycho'' and ''Psycho II''.
* [[HeWhoFightsMonsters She Who Fights Monsters]]: In ''Psycho II''. Her obsession to avenge the death of her sister against her murderer slowly begins to corrupt her, causing her to TookALevelInJerkass by being amoral in her actions and [[spoiler: even [[TautologicalTemplar allowing murders not committed by Norman to be pinned on him anyway]]]].
%%* SuddenSequelDeathSyndrome
%%* TautologicalTemplar: In ''Psycho II''.
* TookALevelInJerkass: In ''Psycho II''. In the first movie, she was a polite but determined woman who wanted to find out what happened to her sister. In Psycho II she tries to [[spoiler: amorally drive Norman insane again out of revenge.]]
* [[VigilanteMan Vigilante Woman]]: In ''Psycho II'', when [[spoiler: she decides to take the law to her own hands to apprehend Norman herself]] after feeling the courts "protect criminals, not their victims," when Norman was released and declared sane.
* WellIntentionedExtremist: In ''Psycho II''. Aside from the fact that her attempts to [[spoiler: drive Norman insane again to get him recommitted are a result of avenging her sister's death]], it also seems out of protecting any other potential victims (or as she quotes them to be "an innocent public") out of harm's way of a "homicidal maniac" (also quoted by her in the opening courtroom scene) in case if he ever relapsed back into insanity on his own [[spoiler: without any interference from outside parties such as herself]] if not sooner. Plus, even though Lila [[spoiler: did not seem to care if others who are already killed to have their deaths pinned on Norman anyway, it could be possible Lila saw them as necessary {{Sacrificial Lamb}}s to bring, what she see it as, a KarmaHoudini murderer to justice]].
%%* WidowWoman: In ''Psycho II''.

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!!'''Norma Bates, [[spoiler: née Spool]]'''
[[quoteright:252:http://static.tvtropes.org/pmwiki/pub/images/8441-15349_6926.gif]]
[[caption-width-right:252:[[labelnote:Click here to see]]http://static.tvtropes.org/pmwiki/pub/images/psycho-645_7772.jpg[[/labelnote]][[spoiler: her corpse]]]]

->'''Played By''': Olivia Hussey (in ''Psycho IV'')

* EvilMatriarch: [[spoiler: Though ''Psycho IV downplays this.]]
%%* IncestSubtext
* ManipulativeBitch: [[spoiler: Even beyond the grave she continues to torment Norman.]]
* MummiesAtTheDinnerTable: [[spoiler: In ''Psycho''. Norman preserves her corpse as best he can and keeps her in the master bedroom, hiding her in the fruit cellar when anyone comes snooping around.]]
* MyBelovedSmother: Part of Norman's backstory is that she dominated him and forced him to become co-dependent after his father died. Not to mention her bullying behavior during the film. [[spoiler: Or at least, her behavior as Norman remembers her, anyway.]]
%%* PeekABooCorpse: [[spoiler: In ''Psycho''.]]
* TheUnseen: She's never seen [[spoiler: until the end of ''Psycho''. But she is often heard either by Norman or anyone not near the two in the first movie.]]

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!!'''Mary Samuels [[spoiler: (real name Loomis)]]'''
[[quoteright:200:http://static.tvtropes.org/pmwiki/pub/images/psycho04_3815.jpg]]

->'''Played By''': Meg Tilly (in ''Psycho II'')

* DeadPersonImpersonation: [[spoiler: Impersonates Norman's mother with a robe, a wig and the kitchen knife in hope of stopping him from going insane again. It doesn't end well for her.]]
%%* GirlNextDoor
* HeelFaceTurn: [[spoiler: She grows genuinely convinced of Norman's newfound sanity and at some point doesn't want to help her mother make him insane anymore.]]
* KillTheCutie: [[spoiler: She is shot dead by the police after an unlucky and tragic chain of reactions.]]
%%* [[NiceGuy Nice Girl]]
%%* TheScapegoat
%%* SympatheticInspectorAntagonist

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!!'''Maureen Coyle'''
[[quoteright:326:http://static.tvtropes.org/pmwiki/pub/images/tmb_3450_480_2235.jpg]]

->'''Played by''': Diana Scarwid (in ''Psycho III'')

%%* BathSuicide
%%* BrokenBird
%%* DrivenToSuicide
%%* InterruptedSuicide
* KillTheCutie: [[spoiler: By accident. Or was it Mother's spirit?]]
%%* NiceGirl
%%* NunTooHoly
%%* TroubledButCute

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!!'''Emma Spool'''
[[quoteright:240:http://static.tvtropes.org/pmwiki/pub/images/307941_1254632978595_full_5898.jpg]]

->'''Played by''': Claudia Bryar (in ''Psycho II'')

%%* AffablyEvil
* AssholeVictim: [[spoiler: Norman kills her with a ShovelStrike at the end of ''Psycho II''.]]
%%* BewareTheNiceOnes
* BiggerBad: [[spoiler: Of the original trilogy, through kidnapping Norman as a baby and killing Norman's biological dad, she's indirectly responsible for her sister to abuse Norman that turned him into a serial killer that lead to the events of the first film and its sequels]].
%%* EvilOldFolks
%%* InsaneEqualsViolent
%%* KarmaHoudiniWarranty
%%* KarmicDeath
* KnifeNut: [[spoiler: She is the knife-wielding murderer in ''Psycho II''.]]
* MummiesAtTheDinnerTable: [[spoiler: "Replaces" Norman's mother at the end of ''Psycho II'' and in ''Psycho III''. Norman stuffs her body at the beginning of ''Psycho III''.]]
%%* MyBelovedSmother
* ParentalSubstitute: Sort of. [[spoiler: In the most horrible way imaginable actually. She "replaces" Norman's mother as a mummy Norman talks to.]]
* TheReveal: [[spoiler: She is Norma's sister.]]
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