For ''Film/Thirteen2003'''s character sheet, click [[Characters/Thirteen2003 here]].
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[[folder:Evan Goldman]]
The main character, who moves from New York City to Appleton, Indiana right before his Bar Mitzvah, and tries to become popular fast before the big day.
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* InWithTheInCrowd: The main conflict revolves around him trying to decide whether to be popular with jerks, or be unpopular with true friends.
* HeelRealization: Has one when he finds out Brett is a JerkWithAHeartOfJerk, and is not the kind of friend Evan wants.
* TheMatchmaker: Tries to set up Brett and Kendra to win Brett’s favor.
* NewTransferStudent: Moves from New York City to Indiana after his parents’ divorce.
* PeerPressuredBully: The cool kids refuse to come to his bar mitzvah if Patrice is invited, so he rips up in her invitation in front of everybody.
* SugarAndIcePersonality: Towards Patrice. He tries to remain friends with her, but his drive to be accepted by the popular kids makes him do some pretty mean things to her.
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[[folder:Patrice Parker]]
The first friend Evan makes after moving to Appleton. The main conflict is him trying to decide between staying friends with her and risk being a loser, or ditching her and becoming popular.
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* AlliterativeName: '''P'''atrice '''P'''arker
* BewareTheNiceOnes: She is super nice, but hurt her, and she gives you a shoulder so cold, it’s made of ice.
* BrainyBrunette: Averted, as she is blonde and gets good grades.
* DumbBlonde: Subverted. She is blonde and brainy.
* GirlNextDoor: Literally and figuratively, as she is the NiceGirl living next door to Evan’s new house.
* NiceGirl: Hands down the nicest character in the show.
* PlatonicLifePartners: With Archie.
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[[folder:Archie]]
A friend of Patrice who walks on crutches because of his muscular dystrophy. He agrees to help Evan, but only in exchange for setting him up with Kendra.
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* AllGuysWantCheerleaders: He pines for head cheerleader Kendra.
* DisabledCharacterDisabledActor; In the Netflix adaptation, actor Jonathan Lengel has muscular dystrophy in real life.
* DoggedNiceGuy: To Kendra. He tends to be a more entitled and underhanded example of this trope, as he is willing to manipulate others to get close to her, and does not seem to even care that she doesn’t like him back, or even know he exists, for that matter.
* JerkWithAHeartOfGold: He starts out willing to guilt and blackmail Evan to get the girl, but is shown to truly care about Patrice and eventually Evan.
* JerkassWoobie: He has a disability, but is not above using it to manipulate Evan into helping him get what he wants.
* ManipulativeBastard: He is willing to guilt people with his muscular dystrophy to get whatever he wants, like hooking up with Kendra and threatening to crash Evan’s bar mitzvah if he doesn’t help him.
* PlatonicLifePartners: With Patrice.
* SingleTargetSexuality: He is obsessed with Kendra. Subverted in the end when he realizes she’s an idiot and not worth his time.
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[[folder:Brett Sampson]]
The most popular guy at Evan’s new middle school in Appleton. Evan tries to win his favor by setting him up with Kendra.
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* AllTakeAndNoGive: Evan finds out Brett never planned to attend his party in return for helping with Kendra, even if his plans did work. He was using Evan all along.
* BettyAndVeronica: The Archie between Kendra’s Betty and Lucy’s Veronica.
* BigJerkOnCampus: He is the most popular guy in school, but he is also cocky and rude, and only pretends to be Evan’s friend to get his help.
* FalseFriend: He was never going to attend Evan’s party, even if Evan did succeed. He just wanted Evan’s help getting with Kendra without having to return the kindness.
* JerkJock: He’s a football player and vicious bully.
* JerkWithAHeartOfGold: Despite his arrogance, Brett seemed to really like Kendra, and was willing to forgive Evan for screwing up the first time.
* JerkWithAHeartOfJerk:…but then Evan finds out Brett was just extorting him, and never planned to attend the bar mitzvah like he promised, even if he did succeed.
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[[folder:Kendra]]
The most popular girl at Evan’s new middle school. Evan tries to help Brett get together with her to get into the popular crowd.
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* AlphaBitch: Downplayed. She seems like nice enough, but she is still part of the crowd who refuses to attend Evan’s party if Patrice goes, and cheers with the rest of them when he rips up Patrice’s invitation.
* BettyAndVeronica: The Betty to Brett’s Archie against Lucy’s Veronica.
* BrainlessBeauty: Beautiful, blonde, popular, and not very bright.
* ClassPrincess: ZigZagged. Most of the time, she’s a NiceGirl, but she still boos when Patrice is invited, and cheers with the others when Evan humiliates her.
* CruelCheerleader: Downplayed. She is head cheerleader, and acts nice most of the time, but still cheers when Evan humiliates Patrice and rejects Archie for Brett even after the jerk disses her.
* TheDitz: She’s kind of an airhead.
* DumbBlonde: She’s blonde, and kind of a ditz, as she falls for Lucy’s tricks too easily.
* IdiotBall: Drops this when she forgives and trust in Lucy right after the latter betrayed her and stole her boyfriend.
* JerkWithAHeartOfGold: She refuses to go to the party if Patrice does, and cheers when Evan disinvites her. But most of the time, she seems genuinely nice.
* JerkWithAHeartOfJerk: She thanks Archie for being nice to her after Brett dumps her in front of her friends, and kisses him on the cheek. But then she realizes that she’s surrounded by losers, and goes running back to Brett.
* SingleGirlSeeksMostPopularGuy: She only has eyes for Brett. Even after he dumps her for Lucy twice and humiliates her in front of their friends, she still chooses to go running after him, begging him to take her back.
* SingleTargetSexuality: She only wants Brett, even after he dumps her and calls her a slut, and even after Archie is sweet and compliments her.
* SugarAndIcePersonality: Flips between being a NiceGirl who just wants to be with her crush to a typical mean girl who takes delight in Patrice’s humiliation.
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[[folder:Lucy]]
Kendra’s best friend and the main antagonist of the musical. She does everything she can to sabotage Kendra and Brett so she can have him to herself.
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* AlphaBitch: Much more so than Kendra.
* BackstabbingTheAlphaBitch: Does this to Kendra ''twice'' to steal her boyfriend.
* BetaBitch: To Kendra, although she is much meaner and more vicious than she is.
* BettyAndVeronica: The Veronica to Brett’s Archie against Kendra’s Betty.
* CruelCheerleader: On the squad with Kendra and the other popular girls, bad to the bone.
* ClingyJealousGirl: Blows up when Brett so much as says “hi” to another girl.
* FaceHeelTurn: If Lucy and Kendra really were friends before the start of the show, this would have happened to her sometime before Evan moved in, as it means she went from being Kendra’s best friend and biggest supporter to being a GreenEyedMonster seeking to undermine her and steal her popularity.
* FalseFriend: To Kendra.
* FetishizedAbuser: Once she and Brett start dating, she is really nasty to him, keeping him away from his friends and getting easily jealous.
* GreenEyedMonster: Tries to sabotage Kendra so she can steal her boyfriend.
* ManipulativeBastard: She sabotages Brett and Kendra’s date to make a move on him, then when he dumps her, she starts rumors that she’s cheating on him with Evan.
* SingleGirlSeeksMostPopularGuy: It’s hinted that Lucy is more into Brett for his popularity rather than for who he is. Than again, there’s not much else there for a girl to be into.
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[[folder: Malcolm and Eddie]]
Brett's two friends
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* Main/ThoseTwoGuys: Are pretty much never seen apart.
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