There are nine recurrent characters in ''[=LazyTown=]'', all but three of them played by puppets. In addition to the main actors listed below, many different actors have played the characters (including the ones normally portrayed by puppets in the television series) in the various ''[=LazyTown=]'' live productions.

!Humans
!!Stephanie ( Julianna Rose Mauriello (seasons 12) / Chloe Lang (season 34) )
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/stephanie_combined.jpg]]
[[caption-width-right:300: Left - original Stephanie (Julianna Rose Mauriello). Right - current Stephanie (Chloe Lang).]]
* BlitheSpirit
* {{Catchphrase}}: "There's always a way!"
* CheerfulChild
* HairDecorations: She wears a purple headband in her pink hair.
* NaiveEverygirl
* NotAllowedToGrowUp
* OnlyOneName: Like the other children of [=LazyTown=], she has no surname.
* PinkGirlBlueBoy: With Sportacus.
* PinkMeansFeminine: She has pink hair, wears a pink headband, and all her clothes are pink.
* PluckyGirl
* RoseHairedSweetie
* TokenHuman: Stephanie is the only human child, and the only female human, even though her uncle and every other townsperson is a puppet.
* TomboyAndGirlyGirl: The Girly Girl to Trixie's Tomboy
* YouGottaHaveBlueHair: She has neon pink hair.

!!Sportacus ( Magnús Scheving (Seasons 1-4) / Dyri Kristjansson (Since January 2014) )
[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/sportacus_combined.jpg]]
[[caption-width-right:300:Left - original Sportacus (Magnús Scheving). Right - current Sportacus (Dyri Kristjansson).]]
* {{Adorkable}}: While Sportacus is conventionally attractive, well-muscled and very fitness-oriented, many fans consider him adorkable due to his constant optimism, boyish over-excitement, hopeless naiveté and awkward English. His baby-blue eyes and cheesy grin only help the matter.
* AmbiguouslyHuman: He is faster and more agile than any of the human characters and can pull off stunts that most people could only dream of. He also [[OurElvesAreBetter keeps his ears conspicuously hidden under his hat at all times]]. In the original plays, Sportacus was a "Sports Elf."
* BadassMustache: A very long and straightened Creator/SalvadorDali type that normally would be worn by a villainous character.
* BlitheSpirit: Alongside Stephanie, Sportacus inspires the previously lethargic inhabitants of Lazy Town to become more active and exercise more.
* TheCastShowoff: Sportacus showcases Scheving's amazing stunts and talent as a gymnast, to the point where the character won't simply ''walk'' anywhere - instead he'll flip, somersault, walk on his hands, cartwheel, etc. just to get to wherever he needs to be. Granted, the show was created by Scheving himself, but still...
* {{Catchphrase}}: "Someone's in trouble!"
* ChestInsignia: Sportacus' "10".
* HyperspaceArsenal: His backpack can transform into gyrocopter and contains far more bats, rackets, balls and other sports equipment than should be able to fit into it.
* InnocentBlueEyes: He has very blue eyes and a very optimistic and almost childlike enthusiasm for being active.
* InvincibleHero: Played with - Sportacus is very capable, but in keeping with the show's promotion of friendship and teamwork, he often needs the help of Stephanie and the other children to foil Robbie's latest scheme.
* KryptoniteFactor: Sportacus' is sugar; eating any sugary food renders him immediately comatose, and fresh fruit (which contain quite a bit of sugar.) or vegetables (a classification that includes a handful of "sugary" foods, most prominently the sugar beet) are required to restore him. This has been justified by his weakness being specific to ''refined'' sugar rather than the natural sugars present in fruit and vegetables.
* LightningBruiser: Although since the show is aimed at pre-teens he never actually engages in violence barring some very slapstick style fights played for laughs in the "Pirate" and "Knight" episodes.
* MrFanservice: Scheving is a very fit and handsome man and even in the Sportacus costume and comedy moustache still looks good. Dyri is also a pretty handsome chap in a different way and is also extremely fit, continuing this trope.
* MundaneMadeAwesome: No matter the task at hand, Sportacus will make sure he does it involving at least a few backflips, twirls, and heroic poses... even ''walking down the street''.
* OnlyOneName: Like most superheroes, Sportacus goes by a mononym.
* OurElvesAreBetter: Though it's not directly mentioned in the show, in the original Lazy Town plays, Sportacus called himself a "sports elf" and [[https://youtu.be/bP5FEQg7-dk?t=14m10s even sings about how elves are always energetic]].
* PinkGirlBlueBoy: With Stephanie, though in his case it should be "Pink Girl, Blue ''Man''".
* SelfDeprecation: Describes himself as a "slightly above-average hero" when he first meets Stephanie.
* SuperStrength: Sportacus rarely uses it but he's superhumanly strong - in the season four episode "Mystery of the Pyramid" he lifts the entire pyramid several feet off the ground to dislodge a boulder blocking the door using nothing more than a rope and grapnel.
* WeaksauceWeakness: He is crippled by eating chocolate or refined sugar, but can regain power by eating healthy foods.

!!Robbie Rotten (Stefán Karl Stefánsson)
[[quoteright:250:http://static.tvtropes.org/pmwiki/pub/images/character_profile_robbie_rotten.jpg]]
* AlliterativeName: '''R'''obbie '''R'''otten
* AmbiguouslyGay: Despite claiming to hate Sportacus and wanting him to leave the town, Robbie sure spends a lot of time talking about Sportacus, touching Sportacus and jumping into his arms whenever the slightly-above-average hero shows up.
* AntiRoleModel: Although a rather flawed one, considering that he wants the children of the town to be lazy and in bad shape, supposedly like himself, despite the fact that Robbie is neither lazy nor in bad shape.
* BadIsGoodAndGoodIsBad: Played with. Robbie sometimes seems to genuinely believe that his bad views on health and exercise are the right ones, but he also has some awareness of the evil nature of his actions.
* BigBad: Of the entire show, but due to the kid-friendly nature his schemes are often zany and childish, and always revolve around getting people to be lazy.
* BigOlEyebrows[=/=]EvilEyebrows
* BrilliantButLazy: Robbie is the epitome of this trope. He prides himself in being lazy, and even schemes to make the rest of the town as lazy as he is, yet he is easily the most brilliant person in the entire town and is able to create ''anything'' out of ''anything''. Ironic, seeing that due to Robbie's constant attempts to make Lazy Town lazy via elaborate traps, machines, and costumes, he becomes one of the most active residents.
* CampStraight: Although, assuming he is AmbiguouslyGay, he might as well count as a CampGay.
* {{Catchphrase}}: "I meant to do that!"
* TheChewToy: He has rather bad luck.
* CreepyCrossdresser: As Miss Roberta.
* DastardlyWhiplash: Lacks the mustache and top hat, but otherwise features the crooked mannerisms, fancy suit and overt meanness which are representative of the character.
* EvilLaugh: He is certainly capable of one, heard most clearly in songs like "You Are a Pirate."
* ExcessiveEvilEyeshadow
* FriendlyEnemy: Even though he's the villain, it's clear that the other characters see him as a friend, and deep down, the feeling is mutual.
* GadgeteerGenius
* GeniusBruiser: Downplayed due to the show's nature, but Robbie is evidently very physically fit, and in some instances he proves to be almost as athletic as Sportacus (albeit not so spectacularly so, of course).
* GrayEyes
* HarmlessVillain: His entire MO is to make people be lazy. Not take over LazyTown, not destroy the world. Just... get people to be lazy.
* IneffectualSympatheticVillain
* Irony: He likes being lazy and prides himself in it, and wants others to be the same, but he has similar, if not more, athletic capabilities as Sportacus.
* LaboriousLaziness: He prides himself on being lazy, and schemes to make the rest of the town as lazy as he is, but these very schemes make him a more active resident than any other, including Sportacus.
* LanternJawOfJustice: Subverted; he has an impressive jawline, but he's the BigBad of the series.
* LaughablyEvil: He's the show's BigBad, but his antics and dialogue are ''hilarious''.
* LeanAndMean: He's taller and skinnier than the very fit Sportacus, but he's also the show's BigBad whose entire MO is... [[HarmlessVillain making the townspeople lazy]].
* MasterOfDisguise: He's even got a song about it!
* MrFanservice: Robbie is very much a YMMV example, but Stefan Karl when not wearing the exaggerated prosthetics is a ruggedly handsome man.
* NamesToRunAwayFromReallyFast: "Robbie Rotten" sounds like a really evil name, doesn't it?
* NotEvilJustMisunderstood
* PaperThinDisguise: Sometimes.
* {{Schemer}}: He's constantly coming up with plans to either get rid of Sportacus, make the town lazy, or both.
* SharpDressedMan: Is never seen without his fancy suit on (except when disguised, of course).
* SillyWalk
* TrademarkFavoriteFood: Cake. According to Stefan Karl, "Robbie would eat cake if it had sand in it."

!Puppets
!!Mayor Milford Meanswell
[[quoteright:100:http://static.tvtropes.org/pmwiki/pub/images/character_profile_mayor.jpg]]
* {{Adorkable}}
* AlliterativeName
* AllLoveIsUnrequited: Has a crush on Bessie Busybody, but she doesn't notice.
* CloudCuckooLander: He seems zoned-out regularly.
* MeaningfulName: He may be not right in the head, but he always means well. Also a PunnyName.
* PermanentElectedOfficial
* PunnyName: '''''Meanswell'''''. [[DontExplainTheJoke Get it]]?
* ShoePhone: His shoe doubles as a phone in ''Secret Agent Zero''.

!!Ms. Bessie Busybody
[[quoteright:100:http://static.tvtropes.org/pmwiki/pub/images/character_profile_bessie.jpg]]
* AlliterativeName '''B'''essie '''B'''usybody.
* TheFashionista
* TheWorkaholic
* YouGottaHaveBlueHair: Has light blue hair.

!!Ziggy
[[quoteright:100:http://static.tvtropes.org/pmwiki/pub/images/character_profile_ziggy.jpg]]
* AdorablyPrecociousChild
* AttentionDeficitOohShiny
* BigEater: He loves eating candy.
* HairOfGoldHeartOfGold: Has blonde hair, and is one of the youngest of [=LazyTown=]'s children.
* {{Keet}}
* KidAppealCharacter: A CheerfulChild who has a ginormous SweetTooth and dresses himself as a superhero like any other normal kid.
* OnlyOneName: Like the other children of [=LazyTown=], he has no surname.
* SweetTooth: His entire character is based on his sweet tooth.
* TagalongKid: He usually follows around Stephanie and Sportacus during their antics every episode.
* TrademarkFavoriteFood: While he likes eating candy, he's usually seen with a lollipop.

!!Pixel
[[quoteright:100:http://static.tvtropes.org/pmwiki/pub/images/character_profile_pixel.jpg]]
* BlackAndNerdy: He's African-American, and his main talent lies in technology.
* BrilliantButLazy: He's very smart, but he spends most of his time sitting in front of a screen, and most of his inventions were built for the purpose of doing the simplest tasks for him.
* ChildProdigy
* GadgeteerGenius
* HomemadeInventions: All of his inventions were built by his own hand.
* MeaningfulName: Pixel. A fitting name for someone who spends his time playing video games and making inventions.
* OnlyOneName: Like the other children of [=LazyTown=], he has no surname.
* TheSmartGuy: The most intelligent of [=LazyTown=]'s children.
* WeekendInventor

!!Trixie
[[quoteright:100:http://static.tvtropes.org/pmwiki/pub/images/character_profile_trixie.jpg]]
* DeadpanSnarker
* GirlishPigtails: She wears two pigtails on both sides of her head.
* MeaningfulName
* OnlyOneName: Like the other children of [=LazyTown=], she has no surname.
* ThePrankster: She can be a troublemaker and likes to draw mustaches on Mayor Meanswell's posters.
* TomboyAndGirlyGirl: The Tomboy to Stephanie's Girly Girl.
* TwoferTokenMinority

!!Stingy
[[quoteright:100:http://static.tvtropes.org/pmwiki/pub/images/character_profile_stingy.jpg]]
* {{Catchphrase}}: "It's mine!"
* HarmlessVillain
* ItsAllAboutMe
* JerkWithAHeartOfGold: Yeah, he's a spoiled brat, but he's not a supervillain.
* MeaningfulName: He's very '''''stingy''''' with his stuff. If he sees something lying around, "[[{{Catchphrase}} it's mine]]!"
[=/=]ExactlyWhatItSaysOnTheTin
* NeatFreak: Comes from his namesake nature. Came in handy in "Trash Trouble", when he kickstarts the kids' cleaning of LazyTown.
* OnlyOneName: Like the other children of [=LazyTown=], he has no surname.
* RichInDollarsPoorInSense: His obsession with collecting things sometimes gets in the way of his better judgement.
* TheScrooge
* SpoiledBrat
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