!Mirumo (Mirmo)
->Voiced by: Creator/EtsukoKozakura (JP), Richard Nicholls (EN)

The prince of the Muglox world and Kaede's partner.

* ArrangedMarriage: To Rirumu.
* DubNameChange
* JerkWithAHeartOfGold
* MagicMusic: Maracas
* TrademarkFavoriteFood: Chocolate.

!Rirumu (Rima)
->Voiced by: Mayuko Omimura (JP), Loretta Jafelice (EN)

Mirumo's fiancee, of whom he is terrified of. Setsu's partner.

* ArrangedMarriage: To Mirumo.
* DoesNotKnowHerOwnStrength: To Mirumo's chagrin.
* DoggedNiceGirl: To Mirumo.
* DubNameChange
* LethalChef: She cooks food for Mirumo but he keeps avoiding her because of the food's appearance and taste.
* LoveFreak
* MagicMusic: A tambourine
* ShipperOnDeck: She chose Setsu as her partner because she knew of Kaede's crush on him.
* TrademarkFavoriteFood: Cream puffs
* {{Tsundere}}: She's sweet and loving, she can be aggressive when she wants to be.
* UnwantedSpouse: To Mirumo, who seems to find her annoying.
* [[YouGottaHaveBlueHair You Gotta Have Green Hair]]

!Yashichi (Yatch)
->Voiced by: Yukiji (JP), Eric Myers (EN)

Mirumo's rival, a wannabe-ninja. Azumi's partner.

* BigBrotherMentor: To his partners, Sasuke and Hanzo
* ButtMonkey: and borderline [[TheChewToy Chew Toy]], as it's part of his popularity ; the other part being the open kindness he shows to his disciples Sasuke and Hanzo, and the hidden one to other characters.
* DubNameChange
* HeroicSacrifice: [[spoiler: tries to use a forbidden magic that will have him TakenForGranite forever, so that Azumi can get a single wish of whatever she wants, hoping she'll wish to get a boyfriend. [[CrowningMomentOfHeartwarming Learning this, Azumi, moved, wishes for Yashichi to turn back to normal instead.]]]]
* HighlyVisibleNinja: Arguably.
* JerkWithAHeartOfGold: Like Mirumo, he can be unfriendly and impatient at times, but he helps the others when it all depends on him.
* MagicMusic: A triangle
* PantyThief
* PunchClockVillain: He may be Mirumo's rival, but he's basically under orders : when not in mission, he gets along rather well with other characters.
* SarcasticDevotee: To Azumi.
* TheRival: Of Mirumo
* TrademarkFavoriteFood: Karinto.
* VitriolicBestBuds: With Mirumo. He also has sort of a love/hate relationship with his partner Azumi.

!Murumo (Mulo)
->Voiced by: Creator/RieKugimiya (JP), Emma Tate (EN)

Kaoru's partner and Mirumo's little brother.

* AnnoyingYoungerSibling: Can be this to Mirumo.
* DeliberatelyCuteChild: He knows he's adorable, and he knows he can use it to get what he wants.
* MagicMusic: A snare drum
* TrademarkFavoriteFood: Marshmallows.

->Voiced by: Kurumi Mamiya (JP), Creator/JenniferHale (EN)

Koichi's partner, who has a crush on Murumo.

* AscendedExtra: She was only a supporting character until the fourth season, where she becomes partners with Koichi.
* MagicMusic: A handbell
* NiceHat: One of the reasons she has a fanbase.
* TrademarkFavoriteFood: Candy
* {{Tsundere}}

->Voiced by: Reiko Takagi (JP)

A ghost fairy who Mirumo is afraid of, but he always loves to play with him. He is also Haruka's partner.

* FriendlyGhost
* MagicMusic: A ukulele
* TrademarkFavoriteFood: Jelly


!Kaede Minami (Katie Minami)
->Voiced by: Creator/MaiNakahara (JP), Creator/TabithaStGermain (EN)

* AccidentalKiss: [[spoiler: With Sumita.]]
* BettyAndVeronica: The Betty to Azumi's Veronica.
* DoggedNiceGirl: To Yuki.
* DubNameChange
* DudeMagnet: Kaoru and Koichi are both in love with her. Setsu eventually realizes he loves her too.
* ExtraordinarilyEmpoweredGirl
* GirlishPigtails
* NiceGirl: She's sweet and friendly to everyone.
* SavvyGuyEnergeticGirl: Energetic Girl to Setsu's Savvy Guy.

!Setsu Yuuki (Dylan Yuuki)
->Voiced by: Yukitoshi Tokumoto (Seasons 1-3), Namikawa Daisuke (Season 4) (JP), Creator/SamuelVincent (EN)

* BettyAndVeronica: The Archie to Kaede's Betty and Azumi's Veronica.
* ChildhoodFriends: With Haruka.
* CuteBookworm: Well, many girls find him cute, especially Kaede and Azumi.
* DubNameChange
* OnlySaneMan: Easily the sanest of the main characters, humans or not.
* PickyEater: Does not like green peppers (though it's more like he's afraid of them).
* TheQuietOne: Usually quiet and silent, especially at the beginning.
* SavvyGuyEnergeticGirl: Savvy Guy to Kaede's Energetic Girl.

!Azumi Hidaka
->Voiced by: Hitomi (JP), Larissa Wolcott (EN)

* AdaptationDyeJob: In the manga, her hair is [[FieryRedhead red]] but in the anime it's black.
* BettyAndVeronica: The Veronica to Kaede's Betty.
* CharacterExaggeration: Arguably in the anime where she appears to have close to no other character outside liking Setsu and being Kaede's rival.
* ClingyJealousGirl: [[spoiler: But finally admits defeat and let her love go when Kaede and Setsu become an OfficialCouple.]]
* ExpressiveHair: ''All'' of the strands become spiky when she's pissed (which is often).
* HairTriggerTemper: Tends to be aggressive and short-tempered, especially when Kaede is around Setsu.
* JerkWithAHeartOfGold
* NoblewomansLaugh: Sometimes.
* RapunzelHair: A beautiful girl with very long black hair.
* TheRival: Kaede's for Setsu's affections.
* SpoiledBrat

!Kaoru Matsutake (Kyle Matsutake)
->Voiced by: Creator/SoichiroHoshi (JP), Creator/BlakeShepard (EN)

* ChickMagnet: Attracts an army of women. He ain't pleased because he's only interested in Kaede.
* DubNameChange
* HopelessSuitor: To Kaede.
* StalkerWithACrush: To Kaede.

!Koichi Sumita
->Voiced by: Hiroyuki Yoshino (JP), Braden Hunt (EN)

A shy guy who appears in season 4 and becomes Papii's partner. He develops a crush on Kaede.

* AccidentalKiss: [[spoiler: With Kaede.]]
* NiceGuy
* ShrinkingViolet: He's a very shy person.

!Haruka Morishita
->Voiced by: Satsuki Yukino (JP)

A kind girl who appears in season 4. She is Setsu's childhood friend with an ambition to become a manga artist.

* ChildhoodFriends: With Setsu.
* SequentialArtist

[[folder:Other Humans]]

!Etsumi Kido
->Voiced by: Kumiko Higa (JP)
Kaede's best friend and the captain of the school volleyball team.

* LockedOutOfTheLoop: She's the only friend of Kaede who doesn't have a fairy partner, therefore she does not know the existence of fairies.
* MuggleBestFriend: To Kaede
* TomboyAndGirlyGirl: The tomboy to Kaede's Girly Girl

!Mr. Tsuchida
->Voiced by: Hiroshi Tsuchida (JP)

->Voiced by: [[Creator/KentaroIto Kentarou Itou]] (JP)

Kaoru's butler who devotes his entire life to him.
* BattleButler
* PluckyComicRelief

!Saori Eguchi
->Voiced by: Risa Hayamizu (JP)

One of the new main characters during the second season. She is transfer student who is also a professional flute player. [[spoiler: She is also possessed by Dark.]]
* AllergicToLove: Sneezes whenever someone brings up the topic or ''[[RunningGag something]]'' about love.
* DemotedToExtra: [[spoiler: At the end of season 2, she and Akumi (now her fairy partner) move away to Germany. Afterwards, they only have two episodes centered on them in season 3, as well as one cameo in the series finale.]]
* MagicalFlutist: [[spoiler: It is only magical because she is under Dark's control. Dark uses the flute's powers to spread his evil into the human world.]]
* TheQuietOne
* YouCanSeeMe: Unlike all the other humans who don't have fairy partners, she actually ''can'' see fairies. [[spoiler:That's because she's possessed by Dark.]]
* [[YouGottaHaveBlueHair You Gotta Have Pink Hair]]

!Momo Umezono
->Voiced by: Creator/NorikoShitaya (JP)

A young girl whose family is just as rich as Kaoru's. Because of Kaoru's crush on Kaede, Momo sees Kaede as her rival. Halfway through the second season, she becomes partners with Yamane.

* HairDecorations: She wears a ''huge'', usually polka-dotted, ribbon on the back of her head.
* {{Main/Ojou}}

->Voiced by: Yuko Tachibana (JP)

Momo's butler and Hirai's rival.

* BattleButler
* TheRival: To Hirai

!Takumi Kiryuu
->Voiced by: Hiroshi Kamiya (JP)

Saori's music teacher when she was little. [[spoiler: He comes in rather late in the second season to help Saori regain confidence in her flute skills. However, it turns out he was just Dark in disguise. It isn't until shortly after Dark is destroyed that the ''real'' Takumi arrives to take Saori to Germany to study music.]]

* [[spoiler: EvilAllAlong: Dark disguises as him to trick Saori and possess her to play her flute at a concert and spread anger and hatred into the human world.]]
* ParentalSubstitute: For Saori.

!Momiji Minami
->Voiced by: Creator/KazusaMurai (JP)

Kaede's mother.

[[folder:Mirumo's Family]]

->Voiced by: Hiroshi Naka (JP)

Mirumo and Murumo's father, and therefore the king of the Fairy World.

* LikeFatherLikeSon: He is selfish, just like his son. His wife Saria even says this exact quote in the first episode.
* MagicMusic: A drum
* TrademarkFavoriteFood: Pudding

->Voiced by: Izumi Kikuchi (JP)

Mirumo and Murumo's mother, thus the queen of the Fairy World.

* BewareTheNiceOnes: She is a very sweet queen and mother, and she loves her husband very much, but if she gets angry, then the whole world gets a big storm coming. ''Literally!''
* MagicMusic: A harp
* TrademarkFavoriteFood: Parfait
* WeatherManipulation: She has the power to cause if huge storm when she gets mad.

[[folder:Mirumo's Friends and Classmates]]

->Voiced by: Kumiko Higa (JP)

Mirumo's best friend who is also a crybaby.

* MagicMusic: Cymbals
* TrademarkFavoriteFood: Donuts

->Voiced by: Izumi Kikuchi (JP)

Mirumo's friend who is said to be the most beautiful fairy in the world.

* DistractedByMyOwnSexy: Is ranked UpToEleven in the third season, where he has his own mirror to look and admiring his looks.
* MagicMusic: A cow horn
* TrademarkFavoriteFood: Mont Blanc

->Voiced by: Keiko Nemoto (JP)

* MagicMusic: An accordion
* TrademarkFavoriteFood: Konpeito

->Voiced by: Masako Joh (JP)

* MagicMusic: A harmonica
* TrademarkFavoriteFood: Bubble gum

->Voiced by: Chigusa Ikeda (JP)

One of the two intelligent fairies in Mirumo's class.

* CuteBookworm
* GiveGeeksAChance: She has a crush on Bike, and their feelings are mutual.
* MagicMusic: An electric guitar
* Meganekko: Wears a pair of Pince-nez glasses.
* TrademarkFavoriteFood: Apple pie

->Voiced by: Creator/MitsuoIwata (JP)

* MagicMusic: A piano
* TrademarkFavoriteFood: Manju

->Voiced by: Creator/TomokoIshimura (JP)

* MagicMusic: Castanets
* TrademarkFavoriteFood: Gummies

Ryo's partner and one of Mirumo's classmates in the anime.

* DemotedToExtra: Ryo never appeared in the anime, and therefore Moon is just another one of Mirumo's classmates.
* MagicMusic: An ocarina
* TheQuietOne
* TheStoic: Most of the time.
** NotSoStoic: He can actually smile, but doesn't because it comes off more as a leer.
* TheVoiceless: He only talks in the manga.
* TrademarkFavoriteFood: Sherbet

->Voiced by: Asako Shirakura (JP)

* EyesAlwaysShut
* MagicMusic: A violin
* {{Main/Ojou}}

->Voiced by: Creator/KazusaMurai (JP)

* AllChinesePeopleKnowKungFu: He has the appearance of a Chinese merchant and is said to be a kung fu master.
* MagicMusic
* TrademarkFavoriteFood: Spicy food

[[folder: The Fairy Ninjas]]
The fairy ninjas are a group of fairies who mostly consist of Yashichi's friends and relatives.
!Sasuke & Hanzo
->Voiced by: Motoko Kumai (JP) (Sasuke)
->Voiced by: Noriko Shitaya (JP) (Hanzo)

Yashichi's lackeys.

* MagicMusic: A glockenspiel (Sasuke) and a vibraphone (Hanzo).
* TongueTwister: Hanzo learns one to cast a spell that saves Rirumu from turning into a flower.

->Voiced by: Rikako Aikawa

Yashichi's cousin.

* MeaningfulName: His name translates to "mouse".

->Voiced by: Creator/KazusaMurai (JP)

Nezumi's younger sister, Yashichi's cousin, and (eventually) Momo's partner.

* CannotSpitItOut: Has a crush on her cousin Yashichi.
* KissingCousins
* MagicMusic: A bird whistle
* MeaningfulName: Her name translates to "dormouse".

[[folder:Warumo Gang]]
The anime's regular villains. Their ultimate goal is to take over the Fairy Kingdom (or just cause trouble for Mirumo), but their plans always fail due to their stupidity.
!The whole gang in general

* Main/AntiVillain / BigBadWannabe: They're not really ''evil''. They usually just play harmless pranks and only ''think'' they're being cruel.
* BigBadFriend: For the first season and even before that, Yashichi was their executive apprentice and biggest fan [[spoiler: until he decided to leave them in order to protect Azumi.]]
* ColorCodedCharacters
** Ichirou: Red
** Jirou: Blue
** Saburou: Green
** Shirou: Pink
** Gorou: Yellow
* TheFaceless: The lower parts of their faces are always obscured by their masks, even when they've temporarily disbanded or even ''before they became a gang''.
* FinishDialogueInUnison: Usually when Ichirou says something, the other four would repeat the last part of his sentence.
* FiveBadBand / QuirkyMinibossSquad: Depending on the season.
* GoldfishPoopGang
* [[JerkWithAHeartOfGold Jerks With Hearts Of Gold]]
* KickTheDog: While they're usually harmless, some of their schemes can go to some extreme levels. For example, at the end of their debut episode, [[spoiler: they summon a dark crystal orb to possess Azumi, Rirumu, and Murumo. They use Rirumu and Murumo to attack (and defeat) Mirumo. Then in the next episode, they go on to possess all of Kaede and Mirumo's friends (excluding Yashichi, Sasuke, and Hanzo, who've been following the Warumo Gang to begin with), then eventually ''the entire town''.]]
* MagicMusic: They all carry shamisen.
* NumericalThemeNaming: Ichirou (1), Jirou (2), Saburou (3), Shirou (4), and Gorou (5)
* [[spoiler: YouHaveOutlivedYourUsefulness: When the gang and Akumi hear about Dark's plan to make the fairy world disappear, they are all frightened. Dark then basically delivers this line to them.]]

->Voiced by: [[Creator/KentaroIto Kentarou Itou]] (JP)

* BigBad

->Voiced by: Ikumi Sugiyama (JP)

* TheDragon / TheEvilGenius: Is at least a bit smarter than the rest of the gang.

->Voiced by: Creator/KazusaMurai (JP)

* TheBrute

->Voiced by: Masashi Ogawa (Seasons 1-3), Tetsuharu Ohta (Season 4) (JP)

* {{Main/Bishonen}}: Some fans would mistaken him to be a woman at first.
* TheDarkChick
* DreadfulMusician: He dreams of becoming an idol, and even continues pursuing that career after the gang (temporarily) broke up one episode. Unfortunately, his singing voice is...quite weird.

->Voiced by: Hitomi

* TheBrute / DumbMuscle: The dumbest out of all the members.

[[folder:Other Villains]]

->Voiced by: Jūrōta Kosugi

The big bad of the second season. His goal is to fill the human world with anger and hatred [[spoiler: and destroy the fairy world]].

* BadBoss: To Akumi and ''especially'' to the Warumo Gang.
* BigBad
* DubNameChange: To Darkman in the English dub.
* SealedEvilInACan: [[spoiler: He was sealed away by the Gaia Tribe and influences Akumi, the Warumo Gang, and Saori Eguchi minds to break himself free.]]

->Voiced by: Chiemi Chiba

A mischievous fairy who is always causing trouble for Mirumo and his friends. She was the first fairy Dark influenced and recruited.

* DemotedToExtra: [[spoiler: At the end of season 2, she and Saori (now her human partner) move away to Germany. Afterwards, they only have two episodes centered on them in season 3, as well as one cameo in the series finale.]]
* TheDragon: To Dark's BigBad.
* LethalChef: Her cooking is just as bad as Rirumu's.
* LoveMakesYouEvil: As soon as she meets Dark, she instantly falls in love with him, causing her to break up with her crybaby boyfriend.
* MagicMusic: A sitar
* TrademarkFavoriteFood: Caramel
* [[spoiler: YouHaveOutlivedYourUsefulness: When the gang and Akumi hear about Dark's plan to make the fairy world disappear, they are all frightened. Dark then basically delivers this line to them.]]

->Voiced by: Rikako Aikawa

Akumi's partner in crime for the second half of the second season.

[[folder:Gaia Tribe]]

The Gaia Tribe are elementals of the Fairy World. They have strong powers and can cast magic without using instruments. Although they are "gods," they have the same appearances as the fairies. They first appear in episode 17, where they [[spoiler: give Kaede the microphone that allows Mirumo's powers to increase and save the citizens of Kaede's hometown from the Warumo Gang]].

!The tribe in general

* ElementalPowers
* FiveManBand: If you exclude Topuru, who doesn't appear until much later.

->Voiced by: Wasabi Mizuta

The Gaian of fire.

* FieryRedhead
* PlayingWithFire
* TrademarkFavoriteFood: Sweet potatoes. He even makes Kaede and Mirumo spend a ridiculously long time baking them for him, but he keeps criticizing them. And this was all so they could get a hint from him [[spoiler: to solve the riddle in order to get the microphone]].

->Voiced by: Kei Kobayashi

The Gaian of water.

* MakingASplash
* TrademarkFavoriteFood: Mizuame

->Voiced by: Chiyako Shibahara

The Gaian of earth.

* DishingOutDirt
* TrademarkFavoriteFood: Dumplings

->Voiced by: Shizuka Ishikawa

The Gaian of wind.

* BlowYouAway
* TrademarkFavoriteFood: Soft served ice cream

->Voiced by: Miyu Matsuki

The Gaian of clouds.

* TrademarkFavoriteFood: Cotton candy
* WeatherManipulation

->Voiced by: Yoshimitsu Shimoyama

A Gaian who takes charge in making and repairing the fairies' magical instruments.

[[folder: Mimomo Shop]]


She is the owner of the shop. Although she is a very adorable character when she is in her true form, she is able to transform into an overweight human in order to get around the human world and escape suspicion. She is a genius when it comes to sales.

* Humanshifting: Uses this to hide her true identity from humans (or at least those who don't have fairies yet).
* ShopKeeper


The assistant and salesperson of Mimomo Shop. She is a cute fairy who rather clumsy and absent minded in her first appearances, but really good at making sweets. Similar to Mimomo, she is able to transform into a human. However, unlike Mimomo, her transformation is a thin woman with a depressed look on her face.

* Humanshifting: Uses this as well to hide her true identity.

[[folder: Crystal Land]]

->Voiced by: Wasabi Mizuta

->Voiced by: Kosuke Okano

[[folder:Manga Only Characters]]
!Ryo Sanada

A tomboy who is partners with Moon.

* LadyLooksLikeADude
* TheRival: To Kaede, for Setsu [[spoiler: after Azumi stops pursuing him in the manga.]]
* Tomboy