Characters / South Park: Heidi Turner

Main Page | The Boys (Stan Marsh, Kyle Broflovski, Eric Cartman, Kenny McCormick) | Other Students (Butters Stotch, Wendy Testaburger, Heidi Turner) | Antagonists | Family Members | Elementary School Staff | Other Recurring Characters | The Stick of Truth (The New Kid) | The Fractured but Whole | Phone Destroyer

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Heidi Turner

Heidi as of Season 20.^note Prior to "Skank Hunt", she did not wear a hat.

"Eric!, Hey, I got us chocolate milks!"

Voiced in English by: Jessica Makinson

Voiced in French by: Marie-Laure Beneston

Voiced in Latin American Spanish by: Margarita Coego (Season 9), Arianna López (Season 17), María José Estévez (Season 20 onwards)

Debut: "Rainforest Shmainforest"

A kind-hearted and idealistic yet somewhat stubborn girl in the same class the four boys attend. Originally just one of the minor female classmates and a part of Wendy and Bebe's group of friends, she became a major character in Season 20 and the Deuteragonist of Season 21, where she entered an extremely complicated relationship with Cartman of all people, much to the surprise of all her friends and classmates. She's also smart and funny.

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A-G

• Ad Hominem: Employs this tactic constantly during her stint as Cartman's Distaff Counterpart. When Theresa briefly snipes at her, Heidi brings up her family's financial state to put her on the defensive; when Kyle attempts to implore the school to make peace, Heidi tells to him shut up and accuses him of "sounding like his mom"; when Kyle rejects his friends' offer to help him search for his missing brother, Heidi accuses him of simply being bitter over being rejected by her. This last one backfires on her, however, as Kyle turns the tables and disgustedly renounces the idea that he would ever feel any attraction for her, kick-starting her Jerkass Realization.
• All Girls Want Bad Boys: Subverted. Yes, she does become Cartman's girlfriend, but only because he was actually very kind to her in Season 20. Thus, she did not like when he became a Jerkass to her in Season 21 leading to her decision to dump Cartman in "Splatty Tomato".
• All-Loving Heroine: Averted in her first few appearances and during her Cartmanized phase, but played straight in Season 20 and seasons 22 and beyond. Despite being part of the popular clique, Heidi takes a warm-hearted approach to anyone and everyone she can, even if said people aren't exactly approachable themselves. When Butters is getting thrashed by Bebe in "Worldwide Privacy Tour," she's horrified and looks away, seemingly waiting for the fight to dissipate on its own, and in "Cupid Ye", Cartman's anti-semitic horseshit doesn't corrupt her even after it escalates to Cupid Ye taking matters into his own hands by brainwashing basically the entire fourth-grade.
• Amicable Exes:
  • Implied with Kyle after Season 21. While they haven't been seen interacting with each other since then nor is there any evidence that shows them having gotten back together, they don't seem to harbor any negative feelings towards each other. This is shown in "The Problem With A Poo" where the two are shown willing to sit near each other in the music room without showing any hostility, while in "Cupid Ye" Heidi doesn't listen to Cartman's anti-semitic remarks about Kyle nor does she gets brainwashed by Cupid Me into attacking Kyle like most of the other kids.
  • Averted with Cartman. After their break-up in "Splatty Tomato" Heidi seems to be avoiding him as much as possible, sitting far away from him during the music room and the school assembly in "The Problem With A Poo". Likewise, Cartman claims to have anxiety in "Buddha Box" because he can't stand people anymore (including Heidi), insults her and the other girls in "Board Girls" for reading rule books to win at board games, and when Scott Malkinson brings up their relationship in "Basic Cable", Cartman compares it to diabetes times 10, possibly still holding Heidi in contempt for breaking up with him.
• Anti-Villain: In the second half of Season 21, she became Cartman's Distaff Counterpart and acted as a major hindrance in the episodes up until the finale alongside her boyfriend. However, her actions and demeanor were spurred by all the shunning and abuse that her peers and her boyfriend had put her through for the first half of the season, making her lash out against them and everyone else to achieve some sort of power over them and ensure they don't take advantage of her. In the end, while her actions were understandable, she herself acknowledges that they were not justified, and she later manages to break the cycle of abuse and leave her relationship with Cartman after suffering a Heel Realization.
• Arc Hero: Of the Cartman-Heidi relationship arc that dominated Seasons 20 and 21. She's the central character in that Story Arc and gets the most Character Development out of anyone there. Unsurprisingly, after the story arc ends she returns to her previous role as a background character.
• Ascended Extra: Has been around ever since Season 3, but was mostly a background character. However, as the series progressed, she got a fair amount of prominence and speaking roles. In fact, she played a fairly big role in the Season 9 episode "Marjorine". Despite this, however, her personality and limelight had not been fully established until Season 20.
• Awesomeness by Analysis: In Season 20, she is shown to have invented an entire method of cryptographic analysis in order to uncover the identity of skankhunt42. Not bad for a ten-year-old. Taken Up to Eleven when dealing with the issues at SpaceX; she manages to create a source of energy that can power humanity's trip to Mars, and later saves the world from TrollTrace by having done so.
• Bait-and-Switch Suicide: In "Skank Hunt", she looks suicidal when she's shown at the edge of a bridge, but she was really just quitting Twitter and throwing her phone into the river.
• Beast and Beauty: A rare non-monster example. She was the beauty to Cartman's beast, and they even wore matching T-shirts which respectively read "Beauty" and "Beast" form "Oh, Jeez!" to "The End of Serialization As We Know It". She's a kind, compassionate and friendly girl while Cartman is a rude, selfish, tempermental manipulative sociopath with a heart of jerk.
• Being Evil Sucks: In "Splatty Tomato", Heidi realizes that being Cartman's Distaff Counterpart and mocking others never made her happy, which led to her decision to break up with Cartman and revert back to her healthy Nice Girl self afterward.
• Became Their Own Antithesis: Contrast the kind, caring, naive, and healthy girl she once was before dating Cartman to the bitter, resentful, bigoted, and fat Jerkass she became while dating him. "Splatty Tomato" in particular points this out.
• Birds of a Feather:
  • The reason her relationship with Cartman worked early on. Both felt pushed away by their peers after being forced to quit social media due to the actions of Skankhunt42, their newfound isolated life temporarily changing their outlook on life. After they get together, they both become extremely openly affectionate but obnoxious in public, much to the disgust of their classmates. Unfortunately, this all changes once Cartman's mask crumbles, as his affection is revealed to be incredibly shallow and self-centered, and he refuses to meaningfully change for her sake or even internalize her problems with him, psychologically projecting his own flaws unto her. By "Moss Piglets", they become this again but for an entirely different reason: They're both ostracized obese kids who double down on their mistakes and refuse to accept blame for everything, instead lashing out at anyone who attempts to appeal to their humanity, especially if that someone is a Jew. Despite this, Heidi eventually proves herself to be a lot stronger than Cartman will ever be, since she manages to break the abuse cycle and change herself for the better by taking accountability for her actions, while Cartman spends his entire life blaming everyone else for his shortcomings even after his Heel–Faith Turn, where he believes that having changed makes him entitled to Kyle's forgiveness, and quickly falls back into his old ways the moment this causes problems for him and his family. Then, the revised future reveals Cartman becoming an angry and bitter homeless wreck as a result of never accepting responsibility for his actions with everyone deciding to just follow Heidi's direction and cut all ties with him where Cartman ends up completely alone and a far more miserable person than Heidi ever was, while Heidi becomes a Plucky Girl capable of still being happy even after everything that has happened to her with her peers accepting her back once she has accepted responsibility for her actions, and is implied to have married Kyle in the revised future.
  • When she gets together with Kyle, they both bond over their shared negative experiences with Cartman, and overall they're both good-natured kids who tried their damnest to stop the gender war in the previous season and who find themselves constantly ostracized by their circles due to their idealistic beliefs. They also both have a brief Face–Heel Turn in the second half of Season 21 for which they later seek to atone after realizing the error of their ways, though Kyle comes to terms with his actions earlier than she does, and his fall is more of one big Tragic Mistake than a cavalcade of repeated mistakes and Ignored Epiphanies like Heidi's.
• Butt-Monkey: After Cartman begins taking her for granted she becomes this to Butters' levels, getting insulted, gaslit, kidnapped by a witch, shunned, tricked into breaking her diet, and Hated by All, in that order. She breaks out of this in "Splatty Tomato" and hasn’t suffered any slapstick or abuse onwards.
• Brainy Brunette: She has brown hair, and is quite smart for someone her age, having found a way to travel to Mars and is been described by Mr. Mackey as the school’s best science student.
• Bratty Half-Pint: She showed shades of this in Season 9's "Marjorine", in which she throws a fit over her mom inviting the "new girl" to her slumber party.
  Heidi: Mom, I didn't invite her!
• Breakout Character: Originally just one of the more minor characters, becoming Cartman's girlfriend has made her extremely popular with the fanbase, promoting her status to a major character even obtaining a hat of her own.
• Broken Bird: She becomes one by Season 21. She failed to stop Skankhunt42 last season, is frequently picked on by the other girls and is stuck in an emotionally abusive relationship with Cartman. She tries to cope with all of this by becoming a female version of her boyfriend, only to realize how much she has changed from the Nice Girl she was before. Because of this, she breaks up with Cartman for good.
• Broken Hero: Despite getting viciously trolled, shunned by her friends, and mentally abused by Cartman, she still tries her see the best in everyone and goes out of her way to help those in need. That said, she does have her breaking point and becomes Cartman's Distaff Counterpart because of the constant all of the above.
• Brooding Boy, Gentle Girl: Was the Gentle Girl to Cartman's Brooding Boy.
• Character Development: Similar to Butters' transformation from low-scale bully in seasons 2 and 3 into a nerdy, self-conscious Pollyanna, Heidi goes from a judgmental Alpha Bitch first shown in "Marjorine" to a humble Nice Girl after quitting Twitter and hooking up with Cartman. However, her self-esteem has also drastically decreased making her submissive to Cartman's abuse. This eventually causes her to adopt Cartman's personality making her nastier than she ever was before. However, she learns how much Cartman's influence changed her, which makes her come to her senses and give her the courage to stand up to Cartman, not cull to his demands, and break up with him for good. She also made a genuine effort to rid herself of the negative attributes, losing her obesity in "The Problem With A Poo" as well as her bigotry in "Cupid Ye" where she disregards Cartman's anti-semitic remarks and doesn't get brainwashed into attacking Kyle.
• Characterization Marches On:
  • Was shown to be an Alpha Bitch who picked on the "new girl"^note whom was really Butters Disguised in Drag in "Marjorine" and ridiculed Lisa Berger for her insecurity in "The Hobbit", but as the show entered its 20th season she has been shown to be nicer.
  • She was shown with numerous different parents throughout the series. Even after her properly renamed introduction in "Marjorine" where her parents are revealed, she was still shown with different parents in "Cartoon Wars Part II", "La Petit Tourette", and "Medicinal Fried Chicken".
  • In "Follow That Egg!", she hates Cartman as much as everyone else, and is upset about being paired with him on the egg project.
• Charles Atlas Superpower: Emoji Analysis lets her see meaningful patterns in absolutely anything, even things she does not understand (such as the engineering problems that need to be overcome in order to reach Mars), to the point of being able to correct the equations herself, by replacing what is to her meaningless data with something else, which lets her know that two lines in the equations are misaligned, and even lets her produce the season's Deus ex Machina.
• The Chew Toy: Downplayed since it wasn't the focus of any of the episodes, but she loses both her dad and her dog in Season 4, even witnessing their deaths first hand. After actually becoming the focus of episodes, things only got worse for her, and her entire story is one hardship after another.
• Chuck Cunningham Syndrome: Besides a hatless, Blink-and-miss cameo in "Board Girls" and a brief mention in "Basic Cable", she was completely absent in Season 23 and not even appearing in school assembly scenes and being completely absent when her parents are shown. This is also the case with Season 25, in which she only appeared in "Pajama Day" (the first episode) and was absent the rest of the season.
• Classical Anti-Hero: While Heidi is a genuinely kind and thoughtful girl, she also has numerous flaws such as naivete, insecurity, and Pride that allowed her to be manipulated by a lot of people, like Cartman. In "Splatty Tomato" Heidi starts to overcome this upon realizing she can't rely on other people to make choices for her, and must learn to make her own decisions, leading to her choice to finally break up with Cartman.
• Commuting on a Bus: After being a main character in Seasons 20 and 21, her role is greatly reduced afterward where she might make a brief appearance in a few episodes while not appearing in others.
• Coordinated Clothes: In Season 20, she was always shown wearing matching clothes when she was with her boyfriend Cartman.
• The Corruptible: As of "Doubling Down", Cartman starts slowly turning her into a female version of himself, tricking her into eating unhealthy foods to make her fatter and convincing her that Kyle (and Jews in general) are terrible people (after Kyle nearly convinced her to leave Cartman). Thankfully she learns how listening to Cartman has negatively changed her health so she decides not to believe him anymore after breaking up with him, and by "Cupid Ye" she no longer buys into Cartman's lies nor gets brainwashed into attacking Kyle.
• The Cutie: As a shy, socially timid and naive girl, she definitely qualifies. Became downplayed after she became a Distaff Counterpart to her Fat Bastard boyfriend, eventually mustered up the courage to confront Cartman's toxic influence, breaking up with him, and gets Demoted to Extra in Season 22 (though she returns to her cute look).
• A Day in the Limelight: "The Damned" gives her much more focus than almost every other episode in the series combined. In general, Seasons 20 and 21 is this for her; she contributes to those storylines and is important to half of the main cast, especially Cartman, her boyfriend. Not bad for somebody who was lucky to have anything resembling a role aside from being a minor character for 17 years.
• Deconstructed Character Archetype: Of the Butt-Monkey trope. Heidi goes through numerous hardships throughout Seasons 20 and 21, which include being cyberbullied by Skankhunt42, getting emotionally abused by her boyfriend, and being picked on by her friends. Eventually, she snaps and becomes Cartman's Distaff Counterpart deciding to get back at those who have mistreated her.
• Defrosting Ice Queen: While earlier episodes such as "Follow That Egg!" show Heidi contemptuous of Cartman, when she becomes promoted to the main cast starting in Season 20 and starts dating him, she treats him very kindly. By Season 21, Cartman got irritated by how overly affectionate Heidi is towards him and ends up turning her into a female version of him.
• Demoted to Extra: From Season 22 onwards, Heidi returns to her old role as a background character, and she's only given passing mentions by other characters. Cartman in particular seemed to avoid talking about her when directly asked in "Basic Cable".
• Demoted to Satellite Love Interest: She started the show off as an Alpha Bitch. After quitting Twitter and becoming an Official Couple with Cartman, the only real development she gets is "is Cartman's girlfriend". While Season 21 attempts to downplay this by giving her more development, most of her character revolves around Cartman.
• Derailing Love Interests: With Cartman in Season 21. Starting in "White People Renovating Houses", everybody knew that they were on very thin ice, since Cartman is unwilling to put any actual effort in making the relationship work, and only kept her around because of the attention she gave him.
• Deuteragonist: Her relationship with Cartman in Season 20 and 21 is the focal point for both those seasons and her importance in them is second only to that of her boyfriend.
• Distaff Counterpart: By Episode 8 of Season 21, she's essentially become a female Cartman, becoming obese and adopting all his prejudices, selfishness, and casual cruelty. This causes her Heel Realization and becomes one of the reasons why she broke up with Cartman in "Splatty Tomato".
• The Dog Bites Back: Cartman is an asshole who brainwashed her into becoming his Distaff Counterpart. That said, he learns the hard way what the rest of the protagonists have to deal with, and it's obvious she becomes the one who wears the pants in their relationship.
• Early Installment Character-Design Difference: Used to have black hair, rather than light brown, flip-flopped between the colors for a while, and had no coat.
• Earn Your Happy Ending: By Season 22 she’s out of an abusive relationship, has lost all the weight she gained last season, looses her Butt-Monkey status, and is a Nice Girl again. While she returns to her old role as a background character, this is probably for the best given how much she suffered as a main character, especially as Cartman's girlfriend.
• Easily Forgiven: In "The Problem With a Poo", Kyle seems willing to forgive Heidi once she goes back to her normal Nice Girl self since he had no problems with her sitting near him during band rehearsals despite her past mistreatment of Kyle when she was still Cartman’s Distaff Counterpart. Of course, Kyle has sat near Cartman himself as well on multiple occasions, so he doesn't really have a reason to distance himself from Heidi if he won't extend said treatment to the infamous fatass himself.
• Evil Vegetarian: Not at first, but she still claims to be a vegan after her Took a Level in Jerkass. Subverted because Cartman tricked her into eating meat.
• Fallen Heroine: Originally one of the kindest characters in South Park and one of the leading heroes in Season 20, by the next season Cartman's influence has turned her into his Distaff Counterpart turning all her kindness into complete jerkassery. She eventually realizes how far she has fallen, when Kyle declares he could never have any feelings for the person she has become.
• Fat Bitch: Due to Cartman's influence, she becomes both obese and a terrible person by "Moss Piglets". this changes in "Splatty Tomato" and by "A Problem With A Poo" she's no longer fat.
• Fatal Flaw: Heidi's response to her female friends mocking her for her interest in Cartman is to double down on staying committed to the relationship, even as it grows increasingly more toxic with Cartman gaslighting her.
• Former Bigot: After breaking up with Cartman, Heidi seems to have gotten rid of the bigotry Cartman had previously passed on to her. This is all but confirmed in "Cupid Ye" when Heidi responds to Cartman making anti-semitic remarks by simply to disregard them. Enforced when Cupid Ye brainwashes the majority of students to become anti-semitic, Heidi is not among the crowd of kids that gang up on Kyle.
• Formerly Fat: By Season 22, she has lost all the fat she gained last season and is now healthy again.
• Formerly Fit: She was healthy eating a vegan diet. However, Cartman tricked her into eating "Beyond" KFC and "Beyond" Arbys and she became nearly as fat as him. Inverted in Season 22 where she's skinny again.
• Freudian Excuse Is No Excuse: What Heidi learns at the end of "Splatty Tomato". Even though she suffered a mentally abusive relationship with Eric Cartman, it doesn't mean she can become a horrible person. She decides to end this problem once and for all by breaking up with Cartman for good.
• The Friend Nobody Likes: After becoming Cartman's Distaff Counterpart, her female friends begin to detest her for her cruel behavior, to the point that Wendy of all people ends up rooting for Cartman when the two have a fistfight.
• The Friends Who Never Hang: After hooking up with Cartman, she all of a sudden stopped hanging out with the girls and is almost only shown with her boyfriend now. This is probably explanatory though since she didn't want to get involved with the drama of the gender war that her friends were participating in and instead wanted to put an end to it alongside Cartman (who felt the same way about said gender war). She returns to the girls after breaking up with Cartman in "Splatty Tomato".
• Girly Girl with a Tomboy Streak: Heidi is one of the more girly girls, but she also partakes in activities, like playing Call of Duty: World at War in the computer lab, watching Terrence and Phillip Netflix premier with the boys, and judging science fairs, which aren't considered to be feminine.
• Grew a Spine: After dealing with Cartman's abuse throughout Season 21 and being converted into his Distaff Counterpart, Heidi finally grows her own in "Splatty Tomato" when she makes it clear that they are breaking up for good, even ignoring his suicide threats that originally kept her from leaving.

H-Y

• Heel–Face Revolving Door: Has a tendency to switch from a Nice Girl to a Jerkass. She had made her debut in "Rainforest Shmainforest" but wasn't given much characterization making her neutral on the moral spectrum. Then she was given her first major appearance in "Marjorine" where she shows herself to be quite an Alpha Bitch amongst her friends making her a Heel which lasted until "Skank Hunt" which gives her more prominence and becomes much nicer. Then after becoming Cartman's girlfriend and letting his influence turn her into his Distaff Counterpart she becomes a Heel once more in "Moss Piglets" which lasts until "Splatty Tomato" where she gets a Heel Realization and breaks up with Cartman for good making her a Face once more.
• Heel Realization: After Kyle declares he can never love her current self in Season 21's finale, Heidi begins to look back on how she got to the point of being a female Cartman, realizing how he slowly destroyed her mentally and physically including attempts of murder. Heidi has enough and breaks up with Cartman for good, no longer wishing to be the victim.
• Heroes Love Dogs: She had a dog named Robby, and was devastated when he got ran over in "Helen Keller! The Musical".
• His Own Worst Enemy: Ultimately, the main reason why Heidi becomes a female Cartman isn't actually Cartman but is instead her own Pride. She doesn't want to admit that she made a bad decision dating Cartman, and when her friends mock her about that matter she chooses to go back to Cartman and believe his lies. She eventually realizes that it was her own fault that she deteriorated so much, both physically and mentally, and decides to make the logical decision to break up with Cartman for good.
• Honor Before Reason: Kyle eventually realizes that the reason she won't break up with Cartman despite the horrible way he treats her is because she doesn't want to have to admit to the other girls that they were right and dating him was a bad idea. When she does, she gets frustrated when the girls go a little too far in teasing Heidi about dating Cartman, which causes her to go back to Cartman and buy his lies. Basically she would rather suffer in an abusive and manipulative relationship than swallow her pride and own up to her mistakes. Thankfully, she does realize how much this way of thinking has changed her, so she decides to finally own up to her mistakes by breaking up with Cartman for good.
• Honor Thy Abuser: In "Doubling Down" Heidi decides to accept Cartman's abuse and begins to adopt his personality, which leads to her transformation into his Distaff Counterpart. Subverted in "Splatty Tomato" when she learns that it's not okay to accept the abuse and adopting said abuser's personality, leading to her decision to dump her abuser.
• Horrible Judge of Character: Goes with the territory of being Cartman's girlfriend. Though to her credit, Cartman was a genuinely nice boyfriend in the beginning of their relationship, something she actually points out shortly before breaking up with him for good.
• Idiot Savant: Played with. She's certainly not an idiot, despite her seeming lack of social skills, but her skills in Emoji Analysis and String Theory make her a savant.
• I Hate Past Me: Throughout "Splatty Tomato" Heidi constantly switches from fondly remembering her more naive and happier self to showing nothing but bitterness and contempt for her.
• Informed Attribute: In-universe example. Her boyfriend Cartman was constantly telling her and everyone else how "smart and funny" she was in Season 20. While she is shown to be quite smart, she never really says or does anything funny, which she and other characters pointed out.
• Informed Deformity: Wendy says that she has a flat butt in "The Hobbit", but much like the rest of the flaws she mentioned, that feature doesn't seem to apply to her and hasn't been looked into any further.
• Innocent Bigot: Thanks to Cartman, who manages to brainwash her into sharing his anti-Semitism. She still acts sweet and polite to Kyle as she breaks up with him, but he immediately realizes she essentially called him a "dirty Jew." She drops the innocent part by the next episode.
• It Sucks to Be the Chosen One: Once Cartman convinces everyone that she's their only hope to get to Mars in "Not Funny", she pretty clearly knows that she's been forced into something far beyond her own abilities.
• Jerk with a Heart of Gold: While Heidi does her moments of being an abrasive bitch, she's usually portrayed as a Nice Girl, especially during Season 20 and the first half of Season 21, while her moments of rudeness comes across as Heidi being Innocently Insensitive rather than being genuinely malicious. Even at her worse when she became Cartman's Distaff Counterpart, her heart of gold still shines through when she realizes that Cartman's a bad influence and breaks up with him, before making genuinely healthy changes to improve her life.
• Jerkass Realization: In Season 21's finale, Heidi realizes how horrible she has become thanks to Cartman's influence on her in the aforementioned season.
• Kick the Dog: After becoming Cartman's Distaff Counterpart, she begins doing this routinely.
  • Mocking Theresa's low income household akin to how Cartman mocked Kenny's and drinking Jimmy's water bears because she didn't want to volunteer at the science project.
  • In "Super Hard PCness", she spends the first third of the episode harassing Kyle alongside her boyfriend, which is especially cruel since Kyle was the only person who had shown her nothing but support throughout her plight.
• Lesser of Two Evils: While initially presented as "worse" than Cartman, she in truth was never as evil as him. She did inherit Cartman's obesity, bigotry, and Jerkass tendencies, but she does get a Heel Realization, redeems herself, and breaks up with Cartman before he could further corrupt her into inheriting his more twisted traits, such as his sadism and sociopathy, while managing to rid herself of Cartman traits she did inherit, going back to being a Nice Girl and getting a second chance of happiness. In contrast Cartman never truly learns his lessons and will progressively get worse until he becomes a lonely homeless drunk forever while Butters considers him Beyond Redemption.
• Living Prop: Though not completely silent, Heidi was mostly a background character prior to Season 20. She returns to being this after season 21.
• Lovable Alpha Bitch: She usually hangs out with the popular girls and has been shown to pick on girls less popular than her like Marjorine^note  Butters Disguised in Drag and Lisa Burger. That said she isn't completely heartless as she did apologize to the former for her behavior, she shows a more kinder and vulnerable side of her personality after quitting Twitter and becoming a social outcast.
• Love Martyr: During Season 21, she continually puts up with Cartman's mistreatment of her and refuses to break up with him, even allowing him to transform her into his Distaff Counterpart. She finally ends their relationship for good in "Splatty Tomato".
• Loving a Shadow: What her feelings for Cartman amount to. She hooks up with Cartman just because they were both social outcasts and felt it was better to be victims than face reality. It gets to the point where they both Took a Level in Jerkass in Season 21 because of how much they enjoyed Playing the Victim Card. When Heidi goes back to all the landmarks that brought her and Cartman together in "Splatty Tomato" she realizes that she doesn't truly love Cartman, but liked that he gave her a reason to engage in self-victimization. Because of this, she breaks up with Cartman, no longer wanting to be the victim.
• Maybe Ever After: While she hasn't interacted with Kyle after "Splatty Tomato", her return to her old healthy Nice Girl self after breaking up with Cartman, sitting near Kyle in "The Problem With a Poo", and Kyle being married with kids in the revised future suggests the possibility that the two may eventually get together.
• Meaningful Name: Her last name "Turner" signifies how her appearance, personality, and importance in the show keep on changing. Her first appearance has her be a background character with black hair and no personality before "turning" her into a brunette with an Alpha Bitch personality in "Majorine", though still seldom used. Then she gets promoted to a main character during Seasons 20 and 21 "turning" into a Nice Girl with a hat before her boyfriend's influence "turns" her into a Fat Jerkass like him. After breaking up with Cartman and by Season 22 she "turns" back to her old self and is once again a background character, though she still wears her hat. Then she loses her hat in Season 23, only to wear it again in the "Pandemic Special".
• Misery Builds Character: Though Heidi has gone through many hardships and trauma while she was in the spotlight, it also made her a much stronger and less naive person, allowing her to grow a spine and call out people for their misdeeds. Also, Cartman’s emotional abuse of Heidi finally makes her realize what kind of a horrible and manipulative person he really his and why everyone hates him, causing her to permanently break all ties and leave him, while becoming one of the very few people not to fall for any of Cartman’s manipulations.
• Morality Pet: She tried to taper Cartman's meaner qualities and encouraged him to become a better person. It's then tragically subverted when Cartman regresses back to his old ways and gaslights her into becoming a fat, anti-semitic jerk like him.
• Must Make Amends: Possibly with her girlfriends and Kyle in Season 22. While they aren't seen conversing, given that she's setting near them in the music room and school assembly respectively in "The Problem With A Poo" suggests that she's trying to make amends for mistreating them last season.
• Nice Girl: Going hand-in-hand with her constant attempts to help people on a large scale, there doesn't seem to be a single person Heidi dislikes. Even Cartman. Especially Cartman. Unfortunately by "Moss Piglets", she has changed, until she has a Heel Realization and breaks up with Cartman. She seems to have reverted back to this since she hasn't been making any conflicts post-breakup, happily celebrates her friends beating Heather Swanson in "Board Girls", hangs with her friends again, including those she had insulted before, and doesn't join with the other children in attacking Kyle in "Cupid Ye". She could not even watch Butters get brutalized by her own friend Bebe when noticing the two fighting in "World Wide Privacy Tour".
• Not Afraid of You Anymore: In contrast to previously taking Cartman back when threatens to kill himself in "Put It Down", she firmly states that's not going to work and leaves when Cartman pull this stunt again in "Splatty Tomato" making it clear to him that this time they are breaking up for good.
• No-Sell: Due to having been gaslighted by Cartman during their relationship, she has learned how manipulative Cartman really is and is now one of the very few people to be completely immune to Cartman's manipulations. This is shown at the end of "Splatty Tomato" when Cartman threatens to kill himself if she broke up with him, Heidi is completely unconvinced and leaves him as well as "Cupid Ye" where Heidi ignores Cartman's spew of bigotry towards Kyle and does not get brainwashed by Cartman's alter-ego, Cupid Me, into becoming anti-Semitic and attack Kyle.
• Not So Similar: Despite becoming like Cartman, "Splatty Tomato" shows that Heidi has one important difference. Unlike Cartman, Heidi would learn to take responsibility for her own actions after showing remorse, making positive changes that would allow her to change back to her healthy and happy Nice Girl self by "The Problem With a Poo" onwards, while Cartman refuses to do so and continue to blame others for his own faults even when he becomes a bitter and miserable hobo. In short terms, while both have the potential of becoming awful, Heidi is at least capable of genuine growth and change, allowing herself a second chance at happiness, while Cartman isn't and remain the same even in adulthood, while forever dooming himself to a lifetime of misery.
• Odd Friendship: Develops one with Cartman after they both go off Twitter, which eventually evolves into a relationship.
• Official Couple: With Eric Cartman, of all people. However, the relationship ends in “Splatty Tomato” when she breaks up with Cartman for good.
• Out of Focus: After breaking up with Cartman, Heidi's focus in the show has been significantly reduced to about a handful of cameos. She only appears in two episodes during Season 22 and is only mentioned and appears once in Seasons 23 and 25.
• Pet the Dog:
  • In "Splatty Tomato", despite being at her lowest, she still helps Kyle locate Ike when he goes missing.
  • She is seen celebrating the girl's victory over Heather in "Board Girls", a noticeable contrast to how Heidi previously mistreated them in "Moss Piglets".
  • Heidi noticeably treats Kyle with much more respect and kindness in season 26 than she did in season 21 where she dumped Kyle before insulting him and his religion. In "Cupid Ye" Heidi ignores Cartman's bigoted views about Kyle and doesn't join the rest of the kids in attacking Kyle when Cupid Ye brainwashes them with anti-semitism, while also allowing Kyle to stop Bebe from continuing to brutalize Butters in "The Worldwide Privacy Tour",.
• Ping Pong Naïveté: Is smart enough to figure out how to uncover anybody's identity online, and create the energy source required to go to Mars, but doesn't know that showing her private parts to a boy she barely knows is inappropriate behavior. These events happen in the same season.
• Pink Means Feminine: She wears a pink hat and played the Alpha Bitch role in her earlier appearances, and then The Cutie role when she became an Ascended Extra in Season 20, both of which are typically associated with female characters. She even has a pink bike.
• Plucky Girl: Despite all the hardships she endured in Seasons 20 and 21, that didn't stop her from reverting back to her old personality, losing the fat she gained, and getting rid of all the Cartman attributes by Season 22. The fact that she's riding a very girly bike in "Bike Parade" as if nothing bad happened to her, happily cheers for her friends in "Board Girls", and has many scenes of her smiling in season 26 cements her as this.
• Politically Incorrect Villain: She starts spewing ableist and classist rhetoric in "Moss Piglets". She sheds this trope after pulling her Heel–Face Turn and by "Cupid Ye" Heidi completely disregards Cartman's anti-semitic remarks and doesn't get brainwashed into attacking Kyle by Cupid Ye.
• Pride: The reason why she doesn't want to break up with Cartman, even if she knows he's a bad influence for her. Eventually, she learns to forgo her pride upon realizing how much it cost her, both physically and mentally, and breaks up with Cartman.
• Protagonist Journey to Villain: Season 21 gives the most focus to her deteriorating relationship with Cartman and how it transformed her from a Nice Girl to her boyfriend's Distaff Counterpart. Subverted when she gets a Heel Realization and breaks up with Cartman.
• Reformed Bully: After breaking up with Cartman when she realizes he's a bad influence for her and ridding herself of any Cartman-like traits by Season 22, it's safe to say she's become this trope.
• Reformed, but Rejected: Even though she's back to her old self by Season 22, her girlfriends don't seem to have forgiven her for her mistreatment of them when she was a female Cartman (even though it was their mistreatment of her for dating Cartman is why she acted that way) and are trying to avoid her. This includes having one of their acquaintances sit next to her in the school assembly serving as a barrier between her and her quad-let (Wendy, Isla, and Theresa) during "The Problem With A Poo" and not sitting with her during lunch in "The Scoots" and "Let Them Eat Goo". This seems to be subverted in "Board Girls" onwards as the girls allow her to join the Board Girls Club to celebrate Nicole and Tammy's victory with them.
• Rise of Zitboy: After gaining weight, she developed two pimples on her face, probably caused by all of the grease in the KFC Cartman has been feeding her. Though she loses the zits along with her weight gain by "A Problem With a Poo".
• Satellite Love Interest: She wasn't this prior to becoming an Ascended Extra during Season 20 and 21 (not that she had much screentime before), but after becoming Cartman's girlfriend her whole character revolves how her relationship has affected him and herself, and the conversations she has with her other peers always revolved around him. After breaking up with Cartman in for the final time in "Splatty Tomato" she reverts back to her background character role.
• Shadow Archetype:
  • To Wendy Testabuger. Both are Brainy Brunettes, had feelings for Eric Cartman, and are the only known female students to wear hats. However, Heidi lacks Wendy's strong will and thus never learned to resolve her feelings for Cartman on her own like Wendy did. As a result, while Wendy was able to keep her positive attributes, lose all her feelings for Cartman, and retain her self-identity, Heidi loses all her attributes and stayed in a romantic relationship with Cartman long enough for his toxic influence to turn her into a female version of himself. Though Heidi does break up with Cartman, possibly losing all her feelings for him in the process, and was able to reclaim all her attributes by Season 22.
  • She's also one for Butters Stotch. Both are kind and innocent All Loving Heroes, whose naivete are constantly exploited by Cartman and are among the few kids to call him Eric. However, Butters knows better than to stoop to Cartman's level and remains his kind and innocent self. Heidi doesn't and ends up becoming a Distaff Counterpart to Cartman. Though Heidi does learn like Butters and returns to her old self after breaking up with Cartman.
  • She's also one to a female New Kid, in regards to their contrasting relationships with Cartman. While Heidi's relationship with him is romantic, the New Kid has more of a teacher/student bond with him. Heidi came to Cartman and the two bonded over falling off the social media grid while Cartman went out of his way to be nice to the New Kid and thus earned her loyalty. While Heidi broke up with Cartman after realizing what his influence turned her into, The New Kid had no problems with anything Cartman was having her do, until Cartman betrayed her and kidnapped her parents, causing her to lose all respect for him. While Heidi seems to be actively avoiding Cartman after breaking up with him, The New Kid seems to have forgiven Cartman, willing to hang out with him afterward.
  • Heidi has her own shadow archetype in the form of Eric Cartman. See his character page for more details.
• She's Back: By Season 22, she's back to being a healthy nice background character.
• Sour Outside, Sad Inside: Sure she's become the Gender Flipped version of her boyfriend Cartman by "Moss Piglets", but that's because she doesn't want to be constantly abused emotionally by her peers and Cartman, even if it means abusing them herself. This is more explored in "Splatty Tomato" where despite acting horrible, she's just so broken.
• Stepford Smiler: She may be all bubbly and happy for most of Season 20, but in "Douche and a Danish" she breaks down crying after her plan to help Denmark turns out to be for nothing, suggesting that she doesn't have very good self-esteem.
• Sudden Name Change: Was originally identified as "Marcy" in "Probably", but was later properly renamed Heidi in "Marjorine".
• Temporarily a Villain: Her time as a female Cartman, which started in "Moss Piglets" and lasted until "Splatty Tomato".
• Then Let Me Be Evil: After being picked on by her friends for going out with Cartman, she decides to let him manipulate her and become his Distaff Counterpart. She snaps out of it in "Splatty Tomato".
• Throw the Dog a Bone: After all the suffering she went through in seasons 20 and 21, especially during her time as Cartman's boyfriend, subsequent seasons have decided to just leave her alone by making her a background character. Heidi manages to loose all the fat she had previously gained, is seemingly back to being a Nice Girl, appears to be back on good terms with her girlfriends, Kyle no longer seems to hold any contempt on what Heidi did before, and Heidi is never shown to suffer any abuse nor slapstick.
• Took a Level in Badass: As of "Splatty Tomato" she has abandoned the victim mindset and no longer has any problems dumping Cartman.
• Took a Level in Cheerfulness: After breaking up with Cartman in "Splatty Tomato", Heidi goes from a self-pitying Broken Bird to a Plucky Girl who has moved on from the trauma she endured deciding to go back to her kind-hearted and cheerful self, having many moments of being genuinely happy.
• Took a Level in Kindness: Prior to Season 20, she could be unkind to the point of cruelty. After Season 20, however, she's arguably one of the nicest of the 4th-grade girls. She loses a level again in Season 21 after adopting Cartman's personality, but regains it after dumping him.
• Took a Level in Jerkass: By "Moss Piglets" in Season 21, she has become a female version of Cartman. However, it serves more as a defense mechanism to endure all the emotional stress given to her rather than becoming genuinely malicious. When she realizes that she took it too far, she decides to resolve this issue by breaking up with Cartman.
• Troubled Abuser: After being abused by Cartman for the majority of Season 21, she starts adopting his personality and began abusing him.
• Unwitting Instigator of Doom: When she gave her "Emoji Analysis" to Lennart Bedrager, she didn't know that he'd use it to cause mass hysteria and a world war.
• What Happened to the Mouse?: She's one of the few supporting characters who doesn't make so much as a cameo as an adult in either of the Post-Covid specials, outside of the possibility that she married Kyle in the revised timeline. However, it's possible she left town sometime before and simply wasn't invited to Kenny's funeral since she didn't have any interactions with him in the show.
• What Have I Become?: After hearing Kyle's Armor-Piercing Response in "Splatty Tomato", she becomes disgusted with herself for becoming Cartman's Distaff Counterpart. At first, she blames Cartman and prepares to kill him for, in her own words, "turning me into this!" However, she soon realizes that it was her "I'm a victim" attitude that resulted in her deteriorated state.
• Weak-Willed: Her biggest flaw aside from her Pride. She is so insecure about what she is that it was very easy for Cartman to convince her into becoming his Distaff Counterpart. Her Character Development involves her becoming more confident in herself leading to her choice to break up with Cartman, thus removing this aspect from her personality.
• Will They or Won't They?: With Kyle. The two developed romantic feelings for each other in "Doubling Down" and briefly dated before Heidi goes back to Cartman leaving their romance unresolved, even after Heidi breaks up with Cartman for good. Even when Kyle gets married and has children in the revised future, Heidi is nowhere to be seen making it unclear if Kyle married Heidi or another woman.
• Woobie, Destroyer of Worlds: Cartman's abuse and manipulation of her and the lack of sympathy for her predicament from her peers caused her to double down on her mistakes and adopt his cruel and abrasive demeanor as a defense mechanism, becoming abusive towards him and everyone else. However, she defies this trope after her Heel Realization in "Splatty Tomato", realizing that her own self-victimization caused her to internally justify her own awful actions in the same vein Cartman justified his.
• "You!" Exclamation: She gives this to Cartman near the end of "Splatty Tomato".
• You Killed My Father: Averted. Her father is killed in "Probably" because of Cartman's negligence, but, as shown in Season 20, she doesn't seem to hold it against him, or even remember it. She is shown with different, living, parents in other episodes. Either her mother remarried, or the writers just reused Heidi's character model for generic girls early on.

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