[[folder: Main Characters]]

!!Lizzie [=McGuire=]
->Portrayed by: HilaryDuff

The main character. The show revolves around the lives of her and her friends. She is a shy girl and a little clumsy. She dreams to fit in and be popular. She has an animated inner voice that breaks the fourth wall to reveal her thoughts and feelings. As of the movie, [[spoiler: she makes peace with her enemy, Kate, saves a singer's career, and becomes an OfficialCouple with Gordo.]]
* {{Adorkable}}
* AllLoveIsUnrequited: For Ethan.
* BareYourMidriff: Animated Lizzie.
* BewareTheNiceOnes
* BigDamnKiss: Shares one with [[spoiler: Gordo]] at the end of the movie.
* BigSisterInstinct: At times.
* ChildhoodFriendRomance: With Gordo [[spoiler: In the movie.]]
* CoolLoser
* CostumePorn
* CuteClumsyGirl
* DeadpanSnarker: Her animated consciousness.
* FormerFriendOfAlphaBitch: To Kate.
* HairOfGoldHeartOfGold
* TheHeart
* IdenticalStranger: To Isabella Parigi.
* IJustWantToBeSpecial
* TheKirk
* TheKlutz
* NaiveEverygirl
* NiceGirl
* ObliviousToLove: To Gordo.
* SingleGirlSeeksMostPopularGuy: Ethan Craft.
* UnlimitedWardrobe
* YouGoGirl

!!Miranda Sanchez
->Portrayed by: Lalaine

Lizzie's best female friend. She is arguably the most self conscious character in the show. She has a hard time dealing with being a teenager and growing up. Near the end of the series [[spoiler: she goes to Mexico with her family.]]
* {{Adorkable}}
* CoolLoser
* DeadpanSnarker
* TheLancer
* LoveMakesYouDumb: In "Movin' On Up".
* TheMcCoy
* NaiveEverygirl
* NiceGirl
* OnlySaneWoman
* [[spoiler: PutOnABus]]
* SingleGirlSeeksMostPopularGuy: Like Lizzie and most girls, she has a crush on Ethan.
* StrawLoser: [[spoiler: One of Lalaine's reasons for leaving the show.]]
* TokenMinority: She's Mexican.

!!David "Gordo" Gordon
->Portrayed by: Adam Lamberg

Lizzie's best male friend, and a very loyal one at that, as seen in the movie. They were friends since a very young age. Gordo is a straight A student, being the smartest and practical kid on the show. As of the movie [[spoiler: he is in an OfficialCouple with Lizzie.]]
* {{Adorkable}}
* BigDamnKiss: Shares one with [[spoiler:Lizzie]] in the movie.
* CannotSpitItOut: With Lizzie.
* CoolLoser
* DeadpanSnarker
* EveryoneCanSeeIt: With Lizzie.
* HollywoodNerd
* JewishAndNerdy
* NiceJewishBoy
* OnlyKnownByTheirNickname
* OnlySaneMan
* ShorterMeansSmarter
* TheSmartGuy
* TheSpock
* TeenGenius
* TeensAreShort
* UndyingLoyalty
* [[spoiler: VictoriousChildhoodFriend]]: [[spoiler: In the movie.]]

!!Matt [=McGuire=]
->Portrayed by: Jake Thomas

Lizzie's younger brother. He can be annoying and very clever. Regardless, he does care about Lizzie and his relationship with her is no different then any other sibling relationship.
* TheAce
* AlliterativeName
* AnnoyingYoungerSibling
* AwLookTheyReallyDoLoveEachOther
* DeadpanSnarker
* JerkWithAHeartOfGold
* ManipulativeBastard
* SpiritualSuccessor: has one in Series/ShakeItUp's Flynn Jones.

!!Jo [=McGuire=]
->Portrayed by: Hallie Todd

Lizzie's mother. Always gives advice to Lizzie and is sometimes strict to her children when needed.
* HairOfGoldHeartOfGold
* HappilyMarried: To Sam.
* MamaBear
* [[NiceGuy Nice Woman]]
* {{Meganekko}}
* OnlySaneWoman
* WomenAreWiser

!!Sam [=McGuire=]
->Portrayed by: Robert Carradine

Lizzie's father. Like most sitcom dads, he isn't the brightest, but he's a nice enough guy.
* BumblingDad
* HappilyMarried: To Jo.
* CrouchingMoronHiddenBadass
* TheKlutz: Like Lizzie.
* NiceGuy


[[folder: Recurring Characters]]

!!Kate Sanders
->Portrayed by: Ashlie Brillault

The AlphaBitch and an old friend of Lizzie's. They were the best of friends but had a falling out shortly before the series. She becomes the main antagonist of most of the series [[spoiler: but as of the movie, she has a HeelFaceTurn and befriends Lizzie again.]]
* AlphaBitch: She's the most popular at their school.
* BigBad: At first, though in the movie [[spoiler: she had a HeelFaceTurn and the role is taken over by Paolo Valisari.]]
* BlondesAreEvil
* TheCheerleader: The ''Head'' Cheerleader to be precise.
* DefrostingIceQueen: None more so then [[spoiler: in TheMovie, in which she was built up to more-or-less replace Miranda.]]
* EvilFormerFriend: To Lizzie. One episode revolves around her and Lizzie having to work together and it leads them to remember that they used to be good friends.
* TheFashionista
* [[spoiler: HeelFaceTurn: In TheMovie.]]
* HeldBackInSchool: In one episode, it's revealed that Kate's actually a year older than the other kids in her grade, due to get held back in Kindergarten for some reason.
* InformedAttractiveness
* {{Jerkass}}
** HiddenDepths[=/=]HiddenHeartOfGold: While she's still the AlphaBitch, she has some nice moments with Lizzie over the course of the series and TheMovie.
** [[spoiler: In TheMovie she has a full HeelFaceTurn]]
* LaserGuidedKarma: Occasionally.
* ManipulativeBitch

!!Ethan Craft
->Portrayed by: Clayton Snyder

A handsome and popular yet dimwitted boy in Lizzie's school. Almost all the girls want him and he's pretty nice (except in the first season).
* BigManOnCampus
* BrainlessBeauty
* ChickMagnet
* {{Cloudcuckoolander}}
* TheDitz
* InformedAttractiveness
* KindheartedSimpleton
* NiceGuy: He's nice to everyone (except in the first season).
* PopularIsDumb
* SatelliteLoveInterest

!!Larry Tudgeman

The least popular boy at Lizzie's school. Despite this he is pretty nice to people, and gets a friendly enough treatment from Lizzie. He had a crush on Lizzie, but when she decides not to return the feelings, he was pretty understanding.
* AbhorrentAdmirer
* AllLoveIsUnrequited: For Lizzie, Miranda and Kate.
* ButtMonkey
* ExtravertedNerd
* NiceGuy
* UnlimitedWardrobe: Subverted. Probably the only character who ''doesn't'' fall into this.
* WackyGuy

!!Claire Miller

Kate's lackey and current best friend (until the movie).
* BetaBitch: Though she's even ''more'' of a bitch than AlphaBitch Kate can be at times.
* BlackBestFriend: To Kate.
* TheCheerleader
* DragonInChief: When given the opportunity.
* TheFashionista
* GirlPosse: To Kate.
* {{Jerkass}}
* TokenMinority

!!Principal Tweedy

* ReasonableAuthorityFigure
* ScaryBlackMan
* TokenMinority

!!Lanny Onasis

* BlackBestFriend: To Matt.
* FamousAncestor: He's related to Crispus Attucks.
* SilentBob[=/=]TheVoiceless
* TokenMinority


[[folder: Movie characters]]

!!Paolo Valisari
->Portrayed by: Yani Gellman

A handsome Italian pop star that Lizzie meets in the movie. He befriends her during her trip to Rome. He offers to have him sing in his ex girlfriend, Isabella's place at a concert. [[spoiler: Turns out he's using Lizzie's resemblance to her to frame Isabella from lip synching to avoid breach of contract.]]
* [[spoiler: BigBad: He tries to manipulate Lizzie into performing onstage as Isabella so he can destroy Isabella's career and humiliate Lizzie onstage by fooling everyone that Isabella lip syncs.]]
* [[spoiler: BlatantLies: He lied to Lizzie about Isabella lipsynching and him actually singing.]]
* [[spoiler: FauxAffablyEvil: He's pretty likable before his EvilPlan is revealed.]]
* [[spoiler: HollywoodToneDeaf: It was revealed that Paolo lipsynchs because he can't really sing at all]].
* [[spoiler: {{Jerkass}}]]
* [[spoiler: ManipulativeBastard]]: [[spoiler: See BigBad above]].
* [[spoiler: RomanticFalseLead: For Lizzie.]]
* WalkingSpoiler

!!Isabella Parigi

Paolo's ex-girlfriend who looks identical to Lizzie, except for the fact that she's a brunette rather than a blonde. Paolo befriends Lizzie because of this, [[spoiler: turns out she's a target of Paolo's plan to avoid being sued, by framing Isabella for lip synching.]]
* ActingForTwo: She's portrayed by HilaryDuff, but some sources say Haylie Duff (Hilary's sister) provided the singing voice.
* IdenticalStranger: To Lizzie.
* IdolSinger
* NiceGirl
* PaletteSwap: The only ''physical'' difference between Lizzie and Isabella is that Isabella's a brunette.

!!Miss Ungermeyer
->Portrayed by: Alex Borstein

The princial of the high school Lizzie and Gordo will be attending, as well as the chaperone of the class.
* DeadpanSnarker
* {{Jerkass}}
** JerkWithAHeartOfGold: She starts to show off her softer side towards Gordo and Sergei at the end.
* ReasonableAuthorityFigure


Paolo's bodyguard.
* [[spoiler: HeelFaceTurn: After Paolo is exposed.]]