More About Koupen-chan & Friends [2026]

Sep 12

A compilation of various posts introducing Koupen-chan and their friends. All translation posts are reposts, so you can find the original post by clicking through to X. Due to the large volume of posts in this compilation, I won’t be embedding the originals separately. Sorry about that!

Koupen-chan

C: Koupen-chan Quiz (Beginner)

C: Koupen-chan Quiz (Beginner)

1. Do you know this little one's name?
K: Me!

2. That's right, it was Koupen-chan!
K: I'm so happy you remembered! https://t.co/Jh8Dpd1mW8 pic.twitter.com/ufgChSXGJO
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) August 19, 2026

C: What is Koupen-chan?

C: What is Koupen-chan?

K: I'm Koupen-chan, nice to meet you!

Img: A carefree, kind baby Emperor Penguin. They are many in number and are found anywhere.

Height: Varies
Weight: Fluffy
Sex: Unknown

Side View: They have a beak!
Rear View: Their tail is black! https://t.co/dR4eVPcOc9 pic.twitter.com/fSmLBY0Ser
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) August 19, 2026

C: Is Koupen-chan strong?

C: Is Koupen-chan strong?

Img: Koupen-chan is a fledgling...
They'll expend all their energy for you. But there might be times when they're a bit unreliable.

It seems Hanamaru are airy, and they brought a ton.

Their strength is a bit lacking... https://t.co/TR5i9qChTh pic.twitter.com/mU9lRD12lf
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) August 19, 2026

C: Koupen-chan’s Favorite Thing

C: Koupen-chan's Favorite Thing

TN: The actual pun is a combination of plum (ume), wrap headgear (maku), things will go well (umaku iku). But this doesn't translate well into English so I used an established idiom using plum instead. Lost the hat joke though... https://t.co/2e9HSrxVSA pic.twitter.com/niFvVXrxOy
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) August 17, 2026

C: That thing Koupen-chan carries

C: That thing Koupen-chan carries https://t.co/5zDCpatKD3 pic.twitter.com/TOgaNREWY5
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) August 15, 2026

C: Who is Koupen-chan?

C: Who is Koupen-chan? https://t.co/24ioRWQkTx pic.twitter.com/9yoTO7zRMg
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) August 15, 2026

C: Koupen-chan's Personality

C: Koupen-chan's Personality https://t.co/Lm86WgUeKu pic.twitter.com/TVwcQWUPi7
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) August 25, 2026

C: Koupen-chan’s Presence

(Originally published 2018)

C: "Koupen-chan's Presence"
(Originally published 2018) https://t.co/j4JfKN6dJn pic.twitter.com/fob1pxloe9
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 12, 2026

Yokoshima Enaga-san

C: It is certainly a terrifying being that interrupts Koupen-chan

C: It is certainly a terrifying being that interrupts Koupen-chan

1. Y: Ku ku ku… Your playtime is over…
K: Oh~?

2. Y: I shall teach you not about the foolish little bird (Koupen-chan), but about me!!!
*menacing aura*

K: So fluffy! https://t.co/wGqfU2n9jw pic.twitter.com/dQMSQzIhVd
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 1, 2026

C: Tell me the origin of Yokoshima Enaga-san’s name

C: Tell me the origin of Yokoshima Enaga-san’s name

1. Y: Kukuku… My name is Evil Enaga.

2. Y: I am an evil Shima Enaga, thus I am Evil Enaga! (TN: YokoShima = Evil)
You would do well to carve that into your mind…

3. Y: Now, call out my name! “Lord Evil Enaga!”
badump, badmp https://t.co/wG5M374UlF pic.twitter.com/wJt3X4IbXR
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 1, 2026

C: What is Yokoshima Enaga-san always thinking about?

C: What is Yokoshima Enaga-san always thinking about?

Y: Every day, I am plotting wicked schemes towards world domination! For example… Uhh.. Umm… That’s right! They’re too terrible to put into words!
You got that? https://t.co/xOMTPzQria pic.twitter.com/Nah7PUvok4
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 1, 2026

C: What is Yokoshima Enaga-san?

C: What is Yokoshima Enaga-san?

Y: Ku ku ku… Foolish humans…

Height: Itty-bitty
Weight: Round
A Shima Enaga (long-tailed tit) who adores evil, and dreams of world domination. They inadvertently display kindness. https://t.co/TH90PI0OEN pic.twitter.com/bVDRXWOnYz
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 1, 2026

C: Everyday Yokoshima Enaga-san ( •▴• )

C: Everyday Yokoshima Enaga-san ( •▴• )

Y: Ku ku ku…
My dream is to take over the world…
Hmph!
Foolish Human!

K: Yokoshima Enaga-chan!
Y: That’s Lord Yokoshima Enaga to you! Good grief…

Is very pleased with the gummy you gave them →
Y: Ku ku ku… How mindful. https://t.co/eU2Qm4B0ue pic.twitter.com/QVTLstz8Fv
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 1, 2026

C: Yokoshima Enaga-san wants to trouble Koupen-chan

C: Yokoshima Enaga-san wants to trouble Koupen-chan

1. Y: How’s that! Surely I am quite heavy. Ku ku ku… *bounce bounce*
K: Yaaay~!

2. Often perches on the side of their head too →
Y: You’re giving me a hard time
K: I’m so happy to be with you https://t.co/VxpDMKoCtj pic.twitter.com/1G9N9O81mG
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 2, 2026

C: Merciless Yokoshima Enaga-san

C: Merciless Yokoshima Enaga-san

1. Y: You said you’d get up early today! Up you go!
K: Mmmh… Six more minutes…

2. K: I was sleepy, but my eyes are getting clearer now that I’ve gotten up…
Y: That’s how it goes. https://t.co/vlcQNmA5nJ pic.twitter.com/HkmLOX9Hnc
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 2, 2026

C: Koupen-chan Quiz (Intermediate)

C: Koupen-chan Quiz (Intermediate)

1. Do you know this little one's name?
Y: 'Tis I!

2. That's right, it was Yokoshima Enaga-san! (Evil Enaga-san)

Y: Well done... You may employ my services... https://t.co/V8oAGr9gYX pic.twitter.com/dirIDFNOFu
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 12, 2026

Adelie-san

C: Try calling out to them with Koupen-chan

C: Try calling out to them with Koupen-chan

Img: This is Adelie-san ➡️

K: Adeliiiie-san!
A: Yeah https://t.co/oLwiny56IK
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 12, 2026

C: What is Adelie-san?

Who is Adelie-san?

An impatient and brusque Adelie penguin.

They like to cook and dabble in growing crops.

Although there are times when they’re around, sometimes they’re not around, either.

Adelie-san: Yo

While Adelie-san keeps themself busy with their hobbies…

Adelie-san: I wanna grow Napa cabbage next

They still care a bit about your health.

Adelie-san: Eat up, eat up!

There are 2 types of ingredients.

C: What is Adelie-san?

1. Who is Adelie-san?
An impatient and brusque Adelie penguin.
They like to cook and dabble in growing crops.
Although there are times when they’re around, sometimes they’re not around, either.

A: Yo

TN: Rest of translation in alt text. https://t.co/bbIiqiewxr pic.twitter.com/ETixxKRgGm
— kou~pen~chan!! (translations/翻訳) (@koupenchan_yaku) September 14, 2026

koupen-chanessentialscompilationyokoshima enagayokoshima-enagaadelie

Koupen-chan's Friend

The creator and primary author of this site who loves Koupen-chan and learning Japanese.