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Characters: Yotsuba&!
Here's a list of characters and related tropes for the manga series Yotsuba&!.

The Koiwai Family

Yotsuba Koiwai

Our viewpoint character, a five-year-old with a very energetic outlook on the world.
  • Bad Liar: Not that she's noticeably worse than any other five-year-old.
  • Cheerful Child: As it says every chapter, "Today is always the most enjoyable day."
  • Cloud Cuckoolander: Justified because of her age, but even her dad thinks she's a little weird.
  • Comically Missing the Point: She does this a few time and because she doesn't understand why Jumbo asks her to invite Asagi along for things, she tends to fail and invite others instead.
  • Constantly Curious
  • Curtains Match the Window: In addition to her green hair, Yotsuba also has green eyes.
  • Determinator:
    • Yotsuba will deliver Fuuka her milk, even if she hasn't a clue where Fuuka's school is, or even what a school is. Because a milkman delivers.
    • Also, when told to return home alive from "exacting revenge" she replied: "Even if I die I'll come home alive." And she did. That's determination.
  • Expressive Hair: Her pigtails rise and fall with her (rapidly changing) moods.
  • Genki Girl: In spades. And the trump suit. This gets Lampshaded by Asagi: "Her default rate of movement really is running."
  • Happily Adopted: She doesn't care one bit about her parentage. Koiwai is "dad" and that's that.
  • Hate at First Sight: Yanda tried to enter the house while her dad was away. Yotsuba was taught not to let any strangers in when she's alone. Which leads to her slamming the door on his face. The fact that Yanda enjoys making her angry on purpose doesn't help improve her opinion of him.
  • Improbable Hairstyle: Obeying the Rule of Cute, Yotsuba's hair is always in those four little pigtails, even when sleeping, swimming, taking a bath, etc.
  • Intergenerational Friendship: Other than the recently named Mii-chan, Yotsuba doesn't have many friends her own age, with Ena and Miura being the closest in age at ten. Justified because she just moved to town and isn't in school yet.
  • Malaproper: She mostly knows the words, but how to say them is still a little beyond her.
  • Meaningful Name: It means "four leaves" as in "four-leaf clover". Thus her hair.
    • "Yotsuba" and "Koiwai" are also both brands of dairy products in Japan, and a whole chapter is centered around drinking milk.
  • Mistaken Nationality: Based on her appearance, strangers constantly assume Yotsuba to be a foreigner, and indeed she was born in another, unknown country. As a result, some students at Fuuka's school try to speak to her in English because all gaijin are American.
  • Parental Abandonment: We know nothing about her origins except that Koiwai found her somewhere overseas, which Yotsuba claims was "an island 'to the left'".
  • Plucky Girl: Delivering milk is Serious Business.
  • Sitcom Arch-Nemesis: Hers is Yanda.
  • Sunny Sunflower Disposition: She's such a Genki Girl, she appears with a bouquet of sunflowers in the cover of the 1st volume. A later chapter even sees her fascinated by sunflowers in Jumbo's shop, and wanting to buy some.
  • Super Drowning Skills: Suprisingly averted, Yotsuba can swim quite well. Koiwai, Jumbo and Fuuka on the other hand...
  • Sweet Dreams Fuel: Her very existence.
  • Third-Person Person: Childishly, in the original Japanese (mimicked in the Yen Press translations); she combines this with an innocent imitation of her father's masculine language — the effect is hysterically funny but is, alas, Lost in Translation.
  • Trademark Favorite Food: As expected for a five-year-old, Yotsuba really likes ice cream. She also has a fascination for cup ramen. Curry is another favorite — one of the songs on the Image Album is called "Eating Curry (Very Delicious)".
  • Twintails: Technically, quad-tails.
  • Why Did It Have To Be Eyeballs?: Yotsuba is terrified of anything that has huge eyes, or anything that looks like a huge eye. Ironic considering her own are pretty big.
  • You Gotta Have Green Hair: Which makes her an oddity among the cast's otherwise realistic character designs.

Mr. Koiwai / "Dad"

Yotsuba's adoptive father, who works from home as a translator. He's devoted to her, but isn't exactly the most driven parent who ever lived.
  • Catchphrase:
    Koiwai: Important announcement!
  • Children Raise You: Implied by himself.
  • Cuteness Proximity: Put a guinea pig in his vicinity and he just melts. It's been suggested this may be part of the reason he adopted Yotsuba.
  • Deadpan Snarker: Usually when bulling around with Yanda, but sometimes in response to Yotsuba.
    Koiwai: It says "No admittance."
    Yotsuba: Even for me?
    Koiwai: What, are you a VIP?
  • Good Dad: So very much.
  • Hypocrite: Despite his anger over Yotsuba lying to him, he himself frequently lies to her, though they are small white lies or pranks.
  • No Name Given: We have never learned his given name. Even Jumbo calls him by his family name.
  • One of the Kids: Can be this sometimes when friends are over or when playing with Yotsuba.
  • Reasonable Authority Figure: He's quite willing to tolerate, if not participate in, Yotsuba's sillier antics. On those occasions when she does actively misbehave, the hammer comes down hard — sometimes overlapping with Scare 'Em Straight.
  • Super Drowning Skills: Alongside Jumbo and Fuuka.
  • The Slacker: He doesn't even wear pants in the summer, if he has the choice.

The Ayase Family

The Koiwai's next-door neighbors, frequently visited by Yotsuba.

Asagi Ayase

The oldest Ayase girl; Yotsuba looks up to her (figuratively and literally). She seems to enjoy it.
  • Alliterative Name: Asagi Ayase.
  • Bad Ass: Hey, she WAS the only one to disarm the revenge-fueled water-gun toting Yotsuba. She even blasted Yotsuba right back! Nobody else is that badass.
  • Cool Big Sis: Especially to Yotsuba
  • Cuteness Proximity: She gets this every so often around Yotsuba.
  • Dude Magnet: Not that she notices, but Jumbo and Yanda both fall hard for her.
  • The Gadfly: Likes pulling pranks on people, or using Yotsuba to pull pranks on people.
  • Hidden Depths: She is actually really good at fixing Teddy Bears, even ones with a electrical voice boxes that had been soaked in water.
  • Like Mother, Like Daughter: Though both will strenuously deny this.
  • Long Hair Is Feminine: Her hair hangs below her waist.
  • One of the Kids: She is able to follow along with Yotsuba's train of thought better than anyone else.
  • Romantic Two-Girl Friendship: Asagi and Torako do pretty much everything together, including going on long trips. Yotsuba's discription of the two's relationship sounds like they are girlfriend and boyfriend.
  • Sweet Tooth: She gets it from her mother. They sometimes clash over it.
  • Tomboy and Girly Girl: Girly Girl to Torako's Tomboy.
  • Trickster Mentor: To Yotsuba.
  • Troll: Yotsuba spends a whole day excitedly waiting for Asagi to bring her a gift, but upon returning from her trip Asagi pretends to have no idea what she's talking about. Its not tell Yotsuba is dejectedly walking away that she pulls out a bag of fireworks.
  • The Unfavorite: She and her mother do not exactly get along, played mostly for laughs.

Fuuka Ayase

The middle Ayase girl, and the one who seems to have the worst luck. Her travails, of course, go right over Yotsuba's head.
  • Berserk Button: Don't call her fat or mention her weight. Just don't. Jumbo (and Koiwai) found out the hard way in the pool chapter.
  • Big Ol' Eyebrows: Though Koiwai in chapter 67 thinks this just makes her cuter.
  • Butt Monkey: Her life can kinda suck.
  • Dreadful Musician: Fuuka, drop that ukelele. And stop singing.
  • Friend to All Children: Especially prevalent during the Autumn festival.
  • Generation Xerox: Takes after Mr. Ayase, notably his romanticism and love of puns (much to Asagi's chagrin).
  • Generic Cuteness: Often mocked for either her plain looks, eyebrows, or pudginess compared to her older sister Asagi. Doesn't stop her from being popular with her classmates though.
    • Kind of averted in that she is actually regarded as being fairly attractive. For instance, Jumbo's initial reaction to her was to exclaim that she's a bishoujo, only to drop the "Bi" when he meets Asagi because...well, it's Asagi.
  • Girl Next Door
  • Go Nagai Sideburns: Her hair seems to give this sort of visual effect, kinda like Kagura.
  • Incredibly Lame Pun: Her sense of humor leaves much to be desired.
  • Is That Cute Kid Yours?: Apparently Fuuka's classmates wondered if Yotsuba was her child.
  • Joshikousei
  • Ms. Fanservice: Shows off a lot more skin than any other female character, including wearing short skirts, swimsuits and turning up in sexy outfits on colour pages.
  • Pungeon Master: Of the incredibly lame variety. Her father enjoys them, but Asagi and Jumbo don't.
  • Ship Tease: Usually with Koiwai, Played for Laughs.

Ena Ayase

The youngest Ayase girl, she's the closest to Yotsuba in age and thus plays with her most often. Likes bugs, amphibians, and teddy bears.
  • Adorably Precocious Child: Mature for her age, especially when compared to her sisters.
  • Berserk Button: Don't do anything that isn't environmentally friendly, or keep calling any of her bears Duralumin.
  • Cheerful Child: Although not quite at Yotsuba's level, Ena still generally has a sunny disposition.
  • Cool Big Sis: The younger variety; Ena seems to go further than Fuuka or Asagi in treating Yotsuba as a little sister.
  • Daddy's Girl: Though Mr. Ayase loves all of them very much, Ena seems to be his little girl.
  • Encyclopaedic Knowledge: She has a lot of random knowledge about a great many things.
  • Girls Love Stuffed Animals: She likes playing with her teddy bears with Yotsuba.
  • Granola Girl: She tends to be more environmentally conscious than others as well as having a fondness for recycling, but she doesn't mind eating meat or helping clean fish for a meal.
  • Hidden Depths: She really likes experiencing new things, even if it may be unpleasant like cleaning and gutting fish.
  • Nature Lover: She really likes the outdoors.
  • Tomboy and Girly Girl: She looks like the girly girl to Miura in terms of looks and general personality, but has some tomboy interests.

Mrs. Ayase

The mother of the three girls.

Mr. Ayase

The father of the three girls.


Takashi "Jumbo" Takeda

Koiwai's best friend, whose nickname hints at his most notable feature. A decent guy, if a little overenthusiastic around Asagi.

Miura Hayasaka

Ena's friend, who's not all that nice to Yotsuba (though she doesn't actively try to be mean; she just doesn't have everyone else's patience). Hates slimy things, in contrast to Ena.
  • Bifauxnen: Same as her mother.
  • Brutal Honesty: She tends not to keep her opinions to herself.
  • Cool Toy: She keeps amazing Yotsuba with various things, such as Heelies, a unicycle and a push scooter.
  • Deadpan Snarker: On occasion.
  • Everything's Better with Princesses: Yotsuba thinks she's a princess after seeing the apartment complex she lives in.
  • Jerkass: Miura has a tendency of playing mean pranks on Yotsuba. Which usually backfire.
  • Lovable Coward: She is easily frightened, and cannot stand bugs, snakes, frogs or anything slimy.
  • Miko: Was dressed for the part during the Autumn Festival.
  • She Cleans Up Nicely: Pulls this off as one of the matsuri maidens during the autumn festival.
  • Sitcom Arch-Nemesis: Jumbo tries to be this with her, though she only sometimes takes the bait.
  • Shorttank: She prefers sports clothing to tanktops, though.
  • Tomboy and Girly Girl: She looks like the tomboy, but Ena is actually more tomboyish than her.
  • Tomboy with a Girly Streak: She's a mischievous tomboy, but has some girly girl interests, is surprisingly squeamish and has a distaste for anything slimy and gross.


Asagi's friend, she has a somewhat more aloof personality. Yotsuba seems to confuse her even more than the rest of the cast.
  • Aloof Dark-Haired Girl: Part of the reason Yotsuba thinks she's cool.
  • Bifauxnen: She's rather androgynous.
  • Cool Big Sis: Yotsuba thinks she's cool at first sight, later in the series Torako actually teaches Yotsuba how to tie bow knots.
  • Deadpan Snarker: Sometimes.
  • Defrosting Ice Queen: Toward Yotsuba, since she's not used to kids. The process is still ongoing.
  • Every Girl Is Cuter with Hair Decs: Yotsuba ties one in Torako's hair after Tora taught her how, Asagi and fans all agree that it was really cute.
  • In-Series Nickname: Since her name looks like "Tiger Child" when written out, Yotsuba calls her Tora/Tiger.
  • No Social Skills: Nothing all that serious, but she often proclaims not to be good with kids. Not that this keeps Yotsuba from liking her.
  • Perpetual Frowner: The only expression outside of shock she shows.
  • Romantic Two-Girl Friendship: With Asagi, when Yotsuba explains their relationship to Jumbo it sounds like they are boyfriend and girlfriend.
  • Smoking Is Cool: Or so Yotsuba thinks.
  • The Stoic: Though she'll show emotion when the situation calls for it (like Yotsuba setting off sparklers on her car).
  • Tomboy and Girly Girl: Tomboy to Asagi's Girly Girl.
    • The punchline of chapter 77 specifically plays off this dynamic.
  • Unknown Rival: Jumbo thinks "Tora" is Asagi's boyfriend thanks to a rather unclear description of her and her relationship with Asagi from Yotsuba.

"Yanda" Yasuda

Koiwai's kohai who gets a kick out of taunting Yotsuba. Unfortunately for him, everyone treats him exactly like he deserves.
  • Butt Monkey: He brings it upon himself.
  • Drop-In Character: Frequently visits the Koiwais so he can mooch hot water for his instant ramen.
  • Jerkass: Yotsuba certainly sees him as one, because he not only stole her ice-cream, took back the candy he gave to her, and wouldn't stop mocking her.
  • Kick the Dog: He initially went out of his way to be mean to Yotsuba, though he seems to be getting better.
  • One of the Kids: This guy enjoys being Yotsuba's Sitcom Arch-Nemesis.
  • Only Known by Their Nickname: His real last name is Yasuda, but no one calls him that. His given name is completely unknown.
  • Perpetual Poverty: He barely even has money to eat well, at least until the end of the month.
  • Pet the Dog: While not as bad a guy as Yotsuba makes him out to be, he seems to enjoy messing with her a little to much. That said he is also the one who gets her out of her funk when she's worried about Duralumin, and shows her the awesomeness of bubbles.
  • Salaryman: White shirt, tie and all.
  • Sempai Kohai: Probably the main reason Koiwai has anything to do with him.
  • Sitcom Arch-Nemesis: Of Yotsuba. He even seems to take delight in invoking the trope in regards to her.
  • Straight Man: Thinks the way that Koiwai and Jumbo go along with Yotsuba's antics is incredibly weird. However he's Not so Above It All at times.
  • The Friend Nobody Likes: Koiwai and Jumbo put up with him more than hang out with him.
  • Took a Level in Kindness: Starts behaving nicer to Yotsuba in chapter 72.
    Yotsuba: Yanda, you're being nice today. Keep up the good work
  • Trademark Favorite Food: He practically lives off instant ramen.
  • Tsurime Eyes

Miss Stake/Shimau

A classmate and friend of Fuuka's. Her real name is Hiwatari, but acquired her nickname when flubbing her introduction to her class.

Yondemasuyo, Azazel-sanCharacters/AnimeYou're Under Arrest!

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