'''Basic Trope''': Character becomes more of a {{jerk|ass}} over time.
* '''Straight''': [[KnightInSourArmor Alice]] starts out as an AloofAlly, but she still clearly respects her TrueCompanions. However, over time, she turns into an {{Insufferable|Genius}} {{Jerkass}}.
* '''Exaggerated''':
** Alice starts out as a shrinking violet with a touch of cynicism wearing JadeColoredGlasses. Near the end, she went JumpingOffTheSlipperySlope.
** FaceHeelTurn
* '''Downplayed''':
** Alice goes from a NiceGirl to a slightly irritable jerk.
** Alice has always been a jerkass, but becomes more of a jerk than she usually is.
** Alice goes from a NiceGirl to a JerkWithAHeartOfGold.
** Alternatively: Alice goes from a JerkWithAHeartOfGold [[{{Flanderization}} to a straight up]] {{Jerkass}}.
** JerkassBall
** TookALevelInCynic
** Alice goes from an AffablyEvil WorthyOpponent to a pointlessly mean one.
** TookALevelInSmartass
** BrokenBird
* '''Justified''':
** Alice's life has been falling apart and she's just stressed.
** Alice's friends are [[SurroundedByIdiots so much like idiots]] that [[EnragedByIdiocy this becomes too much for her to handle]].
** Alice [[TookALevelInCynicism no longer trusts anybody]] after so many weeks of betrayal.
** Alice suffered a terrible trauma and is overwhelmed by PTSD.
** Alice's [[WithFriendsLikeThese friends are constantly mean to her]], so she slowly acts the same as them.
** Alice took a severe blow to the head and suffered brain damage, resulting in increased aggression and decreased impulse control.
** Alice is [[DrivenToSuicide suicidal]] or planning to do a HeroicSacrifice and she's deliberately trying to push her friends and family away, in order to make it easier.
** Alice's change in behavior is a sign that she's NotHerself.
** Alice is [[AilmentInducedCruelty extremely miserable due to some sort of ailment she was afflicted with]] and starts lashing out at people because of it.
* '''Inverted''': TookALevelInKindness.
* '''Subverted''':
** Alice suddenly acts like a total jerkass, but in reality it's a defense mechanism because she's stressed out. She's a nice girl underneath.
** Alice was always a jerkass. But she wasn't a jerk to her TrueCompanions or people they're close with, so they didn't really notice it at first.
** Alice was always a jerkass, but she wasn't given enough [[ADayInTheLimelight screen time]] to show her rotten personality before.
* '''Double Subverted''':
** ...but then [[BecomingTheMask flips around and becomes a total douchebag]].
** ...but even though Alice was always a jerkass, she has gotten worse. And when she was a jerk to people in the past, those people were being jerks to her, and she was just standing up for herself.
* '''Parodied''': Everyone refers to Alice being unusually nice while she's [[KickTheDog running around kicking hobos in the face]] ForTheEvulz. They keep on acting like she's being nice even when she sets a guy on fire for no reason.
* '''Zig Zagged''': Depending on her mood, she's either a jerk or kind.
* '''Averted''': Alice's characterization remains about the same. While she's still snarky, any time she goes too far such as making a crack about Bob's DoomedHometown, she apologizes.
* '''Enforced''':
** The creator of the series wants the fans to focus more on other characters, so they make Alice just unlikable.
** The creator notices that the fans hate Alice for her nice personality, so they decide to change her character into a jerkass.
** The creator is basing Alice off of someone they knew who became a jerkass over time.
** The creator is building towards a moment where Alice has a JerkassRealization and has to deal with the consequences of what she's done when she became a jerkass.
** The creator wants to make a point about how people can sometimes change for the worse.
* '''Lampshaded''': Someone notes that Alice wasn't always this much of a jerk.
* '''Invoked''': JerkassBall.
* '''Exploited''': The BigBad knows Alice is TheChosenOne and wants to make sure she stays a jerk so no one will support her on her journey.
* '''Defied''': Even though Alice has some stress in her life, she makes sure not to take her anger out on anyone.
* '''Discussed''': "Man, Alice's really turned into something else."
* '''Conversed''': "Remember when Alice was a NiceGirl? No, neither do I."
* '''Deconstructed''':
** Alice has been through [[AFateWorseThanDeath things worse than death]] while fighting [[EldritchAbomination things that should not exist]]. This transition is showing how she is falling apart and may end up [[FaceHeelTurn switching sides]].
** Alice became such a jerkass, her friends and family no longer want anything to do with her.
* '''Reconstructed''': Alice's friends help her get through these traumatizing experiences, letting her know that [[YouAreNotAlone she isn't alone]]. This helps Alice pull herself back together.
* '''Untwisted''':
** A prequel introduces a kind young woman, who is slowly revealed to be Alice, a foul-mouthed {{Jerkass}} in the main series.
** Alice a jerkass is revealed to have being CruelToBeKind. At least she used to believe that, now she does not care at all.
** Alice was [[BitchInSheepsClothing always a douchebag to begin with]] but she is more meaner than her true colors as a nasty individual back then.
** Alice turns out to have a few [[JerkWithAHeartOfGold redeeming qualities]] despite being turned into a {{jerk|ass}}, but is still a lot more ruder than [[NiceGuy how she really was before than]].
* '''Implied''': People are shocked by Alice's mean behavior, because it takes them by surprise. When Bob acts mean they roll their eyes as such behavior is typical of him.
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Back to TookALevelInJerkass.
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%% Optional items, added after Conversed, at your discretion:
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%%* '''Plotted A Good Waste''': ???
%%* '''Played For Laughs''': ???
%%* '''Played For Drama''': ???