[[folder:Main Characters]]
! Ami Onuki
->Voiced by: Creator/JaniceKawaye


A 16-year-old girl who is the older one of the duo. She is depicted as a peppy, optimistic, and cute girl.

* AnimeAccentAbsence: Though to be fair, she's being voiced by Janice Kawaye (who's Japanese-American), who knows how to speak Japanese.
* AsianAirhead
* AuthorAvatar: When asked if the real Ami is anything like her cartoon counterpart, the real Yumi said "Yes, she is".
* BalloonBelly: She's shown as this in "Taffy Trouble" and "Rock N Roe".
* BerserkButton: Ami gets annoyed when Julie mistakenly calls her Arthur.
* BewareTheNiceOnes: Happens to her sometimes. One example would be in "Collect All 5!".
* CryCute: When she gets very upset.
* CurtainsMatchTheWindow
* TheCutie[=/=]{{Kawaiiko}}: Just look at her!
* FlowerInHerHair
* FriendToAllLivingThings
* GenkiGirl
* GirlishPigtails: As shown in "Team Teen".
* HeterosexualLifePartners: With Yumi.
* IdolSinger
* KiddieKid: Acts like one sometimes.
* MyNaymeIs: Ami (Ah-Me) is often mispronounced as Amy (A-Me) in promotions and discussion.
* NeatFreak
* NiceGirl: Ami is a beautiful rose-haired adorable girl with a sweet personality, aside from the [[BewareTheNiceOnes occasional insanity]].
* OdangoHair: She has these to complement her wavy pink hair.
* ThePollyanna: She's willing to looks on the bright side of things and finds a solution to every situation.
* RapunzelHair
* RoseHairedSweetie
* TomboyAndGirlyGirl: The Girly Girl to Yumi's Tomboy.
* ZettaiRyouiki

! Yumi Yoshimura
->Voiced by: Music/GreyDeLisle


A 16-year-old girl who is younger of the duo. She is depicted as a cynical, sarcastic punk rocker.

* {{Adorkable}}: Especially when she can talk to squirrels.
* AnimeAccentAbsence
* AuthorAvatar: Subverted; when asked if the real Yumi is anything like her cartoon counterpart the real Ami said "No, she is not".
* BalloonBelly: She's shown as this in "Taffy Trouble" and "Rock N Roe".
* BigEater: One episode had her eat a whole lot of hotdogs & [[ExtremeOmnivore several metal horse shoes]].
* CurtainsMatchTheWindow
* CuteLittleFangs: Mostly off-screen and moreso in promotional images.
* DarkIsNotEvil: Not evil per se, but she's very snarky.
* DeadpanSnarker
* ExpressiveShirt: The skull on her t-shirt shifts expression to match her own.
* {{Goth}}: Though she is more of the "I Love MCR" than the "I Recite Deep Depressing Poetry" variety.
* GrumpyBear
* HairTriggerTemper
* HeterosexualLifePartners: With Ami.
* HiddenDepths: She's able to talk to squirrels.
* IdolSinger
* ItsAllAboutMe: Sometimes she comes off like that. Episodes like "Hungry Yumi" and "Movie Madness" would be the best examples of her selfishness.
* JerkWithAHeartOfGold: She may be sarcastic, grumpy, selfish and violent at times, but she's also a NiceGirl on the inside and cares about the people she knows (yes, this includes Kaz).
* TheLadette: As a G-rated example. She enjoys ninjas, monster trucks, car crushers, R-rated action movies, and anything else rough and tough.
* LittleMissSnarker
* [[OnlySaneMan Only Sane Girl]]: She can be this at times.
** NotSoAboveItAll: She can also be as bonkers and immature as Ami and Kaz are, but not to the extent as them.
* TheSnarkKnight
* PeekABangs: Sometimes, mostly during the earlier episodes.
* SkirtOverSlacks
* SuddenlyFluentInGibberish
* {{Tomboy}}
** TomboyAndGirlyGirl: The Tomboy to Ami's Girly Girl.
** TomboyWithAGirlyStreak
* VitriolicBestBuds: Yumi can be disrespectful and threatening to Kaz (and sometimes for a good reason), but despite that, she still likes him and views him either as a father figure and/or a close friend.
* YouGottaHaveBlueHair

! Kaz Harada
->Voiced by: Creator/KeoneYoung


The duo's well-intentioned yet money-grubbing manager.

* ButtMonkey[=/=]TheChewToy: Especially where he has to put up with Jang Keng and Tekirai.
* CowardlySidekick: Kaz fits the bill on most occasions.
* CharlieBrownBaldness: With the exception of few shades of white hair around his head.
* {{Expy}}: He's very similar to [[WesternAnimation/SpongeBobSquarePants Mr. Krabs]] because they both have greed personalities and are money fetish.
* EyeGlasses
* {{Greed}}
* {{Jerkass}}: Most of the time.
** JerkWithAHeartOfGold: He cares about the girls and even viewed as a father fugitive to them, despite betraying them at times.
* {{Megane}}
* MiniatureSeniorCitizens
* MoneyFetish: And how!
* ObliviousToLove: In "Stupid Cupids", a younger woman named Courtney fell in love with Kaz after he got a makeover. He doesn't know the first thing about love when it comes to dating her. At the end of the episode, Courtney dumped him saying he's the worst to date. Apparently, Kaz thought [[WhatAnIdiot she was annoying]].
* PermaStubble
* [[TheUglyGuysHotDaughter The Ugly Guy's Hot Daughters]]: Technically, Kaz isn't Ami and Yumi's father (just their manager), but acts like their father fugitive. The girls are pretty looking and cute compared to him.

[[folder:Recurring Characters]]
! Jang Keng and Tekirai
->Voiced by: Music/GreyDeLisle (Jang Keng), Creator/JaniceKawaye (Tekirai)


Yumi's and Ami's pet cats, respectively.

* ADayInTheLimelight: In a few episodes.
* BalloonBelly: In "Kaz vs Katz".
* [[BitchInSheepsClothing Bitches In Sheep's Clothing]]
* CatsAreMean: They terrorize Kaz for fun when their owners aren't around.
* SitcomArchNemesis: Again to Kaz in the two episodes that focus on them.

->Voiced by: Sandy Fox

A six-year-old psycho girl who is obsessed with Ami and Yumi.

* ADayInTheLimelight: "Junior Tapeworm".
* TheCatCameBack: She reappears again after her first appearance in "Dis-Harmony".
* GenkiGirl
* GirlyBruiser: In "Junior Tapeworm".
* LoonyFan: Definitely.

->Voiced by: Creator/KeoneYoung


Kaz's adopted puppy.

* BigEater
* EyeGlasses: Just like his owner, Kaz.
* IdenticalStranger: A rare animal example of it to Kaz.
* PreciousPuppy: Kaz seems to adore him very much.

!The Talent Suckers
->Voiced by: Nathan Carlson (Vlad), Corey Burton (Nicolai), Nathan Carlson (Mitch)

A vampire rock trio from Transylvania that "sucks" people's talents.

* ADayInTheLimelight: "Talent Suckers Return" and "A Grave Mistake".
* DarkIsNotEvil
* FriendlyEnemy: With Ami and Yumi in later episodes.
* OurVampiresAreDifferent: Instead of sucking blood from people, they "suck" talent.
* TheQuietOne: Mitch.

[[folder:Minor Characters]]

->Voiced by: Creator/LaraJillMiller


A 16-year-old girl who was a former band member and was also Yumi's friend.

* AnimeAccentAbsence: Just like Ami and Yumi, she lacks a Japanese accent.
* BitchInSheepsClothing: Definitely. She was nice to Yumi while purposely torturing Ami. All this happened until she plotted her revenge to get rid of both of them and became the star of the band.
* CurtainsMatchTheWindow
* EvilAllAlong
* HiddenDepths: Shown to drive the tour bus and can even lift the girls and all of their instruments with only ''one finger''.
* IdolSinger: She used to be part of the band until Ami kicked her out.
* IJustWantToBeSpecial: The truth is that she just wanted to be loved like Ami and Yumi and get the same attention as them. It isn't never explained how the audience did not notice her that much.
* [[ManipulativeBastard Manipulative Bitch]]
* RememberTheNewGuy
* RunningGag: Mistakenly calling Ami her wrong name, Arthur.
* TheStrategist[=/=]TeenGenius
* TomboyishPonytail
* TroubledButCute
* WhosLaughingNow: "Look at them, keyboard guitar! So much for Puffy Arthur Yumi!"
* [[YouGottaHaveBlueHair You Gotta Have Green Hair]]

!King Chad
->Voiced by: Katie Leigh

Ami and Yumi's former crush in "In The Cards".

* {{Expy}}: He resembles King Bob from ''Westernanimation/{{Recess}}''.
* NerdsAreSexy
* YourCheatingHeart: Cheated on Janice to date Ami and Yumi when they were a lot like her in one episode.
* YouthfulFreckles

->Voiced by: Creator/RobPaulsen

Ami and Yumi's childhood friend from Camp Youwannasushi, who wants to be a superhero like his favorite comic book hero, Mangbee Man.


* {{Adorkable}}
* {{Cloudcuckoolander}}: "Here's my card...oh wait. Stand back! I'll give you the card in lightning speed! NGINGINGINGING!"
* IdenticalStranger: As a little kid, he looks quite similar to Mac from ''[[WesternAnimation/FostersHomeForImaginaryFriends Foster's Home for Imaginary Friends]]''.
* ImpliedLoveInterest: Has one on Yumi.
* KidHero[=/=]TheHero
* NiceGuy
* NiceHat
* PluckyComicRelief

->Voiced by: Will Ryan


Ami and Yumi's former bodyguard and friend.

* TheBigGuy
** HugeGuyTinyGirl: The Huge Guy to Ami and Yumi's Tiny Girl.
** BigGuyLittleGuy: The Big Guy to Kaz's Little Guy.
* DumbBlonde
* TheKlutz
* HulkSpeak
* LawfulStupid


A girl King Chad dates in "Janice Jealous".

* EmotionlessGirl
* MeanCharacterNiceActor: Okay, maybe she isn't mean, but WordOfGod mentions that her voice actor (which is the same name) is much nicer than her character.

!Eldwin Blair
->Voiced by: Nathan Carlson

A sinister land developer who usually tries to tear down beloved places for his own selfish needs.
* BigBad
* {{Gonk}}
* ItsAllAboutMe
* RichBastard