In the previous lesson of this Japanese language series, I talked about the four different writing systems used in Japanese.
Among them, kanji characters each carry their own meaning.
When Japanese people choose a name, they often combine these kanji meanings to express a wish, a hope, or a prayer for the person who will carry that name.
This idea applies not only to real Japanese names, but also deeply influences the names of characters in anime and manga.
In this lesson, we’ll take a relaxed, slightly “otaku” look at the hidden meanings behind Japanese names, using examples from:
- My Hero Academia
- Gintama
- Sailor Moon
Let’s explore how these names reflect personality, destiny, and even the worldbuilding of each story.
Basic Rules of Japanese Names
In Japanese, names are generally written in the order:
Family name → Given name
Example:
木村花子
木村(Kimura) = family name → 花子(Hanako) = given name
Japanese People Often Use “Family Name + san”
In Japan, calling someone by their given name right away can feel a bit too direct or even rude.
In workplaces or in relationships where people aren’t very close yet, it’s common to address someone by their family name + the honorific “san.”
Example:
木村花子
Instead of calling her “Hanako,” people would say “Kimura-san.”
This reflects a uniquely Japanese communication style that values:
- politeness
- appropriate distance
- social etiquette
Using “san” with the family name helps maintain a comfortable and respectful relationship.
A Country with Many People Sharing the Same Family Names
In Korea, it’s often said that many people share family names like “Kim” or “Park.”
Japan is actually quite similar.
Common Japanese family names include:
- Kimura
- Takahashi
- Saitō
- Satō
- Suzuki
…and many more.
Because of this, it’s very common in workplaces or schools to run into the “There are two Satō-sans” problem.
When that happens, someone might say:
“Then please call me by my given name instead.”
It’s a small cultural moment that happens surprisingly often in Japan.
Exploring the Meanings Behind Names Through Manga
Now, let’s take a look at what kinds of meanings are hidden inside Japanese names,using manga as our “textbook.”
My Hero Academia
When it comes to understanding the meanings behind Japanese names, My Hero Academia is honestly one of the best examples.
The characters’ personalities, quirks, and even their story arcs are deeply connected to the meanings of their names.
緑谷出久 Midoriya Izuku
● 緑 (midori / green)
This kanji means “green,” which also happens to be Deku’s image color.
● 出久 (izuku / deku)
This combination of kanji can be read as Izuku, but interestingly, it can also be read in a way that resembles Deku.
From here, we can pick up on the keyword: “deku no bō.”
“Deku no bō” means “a useless person”
In Japanese, deku no bō is a phrase used to describe someone who is useless, incapable, or good-for-nothing.
Izuku Midoriya starts the story as someone with no Quirk— in a society where Quirks define your value, he is treated as “useless.”
That’s why it feels intentional that the sound “Deku” is represented with the kanji 出久.
It reflects how society saw him at first.
The Meaning Behind the Kanji “出久”
On the other hand, if we look at the meaning of the kanji 出久, it can be interpreted as:
- “to step forward,”
- “to go ahead,”
- “to come out in front.”
In other words:
A boy who once seemed like a deku no bō— someone useless and without a Quirk— gradually becomes the kind of “Deku” who steps forward with courage.
His name itself can be seen as a reflection of Izuku Midoriya’s growth into a true hero.
※Note: This part reflects my personal interpretation as an otaku.
爆豪勝己 Bakugō Katsuki
● 爆豪 (Bakugō)
The kanji literally evokes explosions, perfectly matching his Quirk.
● 勝己 (Katsuki)
This name can be interpreted as “to win against oneself.”
It reflects his personality and his core theme: pushing himself to surpass his own limits.
轟焦凍 Todoroki Shōto
● 轟 (Todoroki)
This kanji means “to roar” or “to echo loudly.”
● 焦凍 (Shōto)
A combination of kanji meaning:
焦 → to burn, to scorch
凍 → to freeze
His name literally expresses his dual Quirk: fire and ice. It’s
MHA Names Are Like “Character Blueprints”
In My Hero Academia, a character’s name often acts like a blueprint for who they are.
Their personality, their Quirk, and even the themes of their story are reflected in the meaning of their name.
Just by looking at a name, you can almost guess the character’s life path or role in the story.
That’s one of the things that makes MHA so fascinating.
Gintama
The protagonist of Gintama, Gintoki Sakata, is said to have been named with the image of “a samurai living in a silver age.”
And honestly, that description fits his entire way of life perfectly.
Was Gintoki Modeled After Sakata Kintoki?
In Japanese folklore, there is a famous character named Kintarō.
He’s said to be based on a real historical figure, and when he became an adult, his name was Sakata Kintoki.
Gintoki Sakata’s name feels like a playful twist on this Sakata Kintoki.
The Name “Kintoki” Appears in Sweet Foods
Interestingly, the name “Kintoki” is often used for sweet or red-colored foods in Japan, such as:
- Kintoki-mame (red kidney beans)
- Kintoki carrots
- Uji-Kintoki (a shaved ice dessert with matcha and sweet red bean paste)
Because of this, it’s funny to think that for Gintoki, who is famously a sweet tooth, the name “Kintoki” might have actually suited him even better.
That contrast makes the naming even more amusing.
There Was Even an Episode Where He Actually Became “Kintoki”…!
There’s an episode where Gintoki temporarily turns into “Kintoki.”
And during that arc, the title of the series even changed to:“Kintama.”
※In Japanese, it’s considered a slightly vulgar slang word.
The sound of that title was so bold and borderline inappropriate that it became a huge topic of conversation at the time.
This kind of playful, edgy humor is exactly what makes Gintama so iconic.
For Japanese People, “Gintoki” Sounds Cooler Than “Kintoki”
In general, we tend to think of gold > silver, just like gold medals are ranked above silver ones.
But when it comes to Gintama, Gintoki simply sounds way cooler than Kintoki.
The title “Gintama” has a perfect ring to it, and the concept of “a samurai living in a silver age” fits the world of Gintama beautifully.
The name “Gintoki” just feels right for him.
Pretty Guardian Sailor Moon
Sailor Moon is another series filled with uniquely Japanese naming sensibilities.
The Japanese Cultural Link Between the Moon and Rabbits
Sailor Moon is portrayed as the “princess of the moon.”
In Japan, there is a long‑standing cultural belief that the patterns on the moon look like a rabbit pounding mochi.
Because of this, the moon and rabbits are strongly connected in Japanese imagination.
This cultural idea is reflected directly in her name:
月野うさぎ (Tsukino Usagi) — Sailor Moon’s real name.
Just from the name alone, the image of a “moon princess” is complete.
Why “Usagi” Is Written in Hiragana
The name Usagi could be written with the kanji 兎, but in the series it is written in hiragana: うさぎ.
This choice reflects a very Japanese aesthetic sense: hiragana feels softer, cuter, and more gentle than kanji.
It perfectly matches her character’s warm, innocent personality.
Character Names Inspired by Planets
One of the charming features of Sailor Moon is that many characters’ names incorporate the names of planets.
● 火星/Mars (Sailor Mars)
火野レイ(Hino Rei)
Her family name Hino contains the kanji 火 (fire), which directly connects to Mars and her fire-based powers.
● 水星/Mercury (Sailor Mercury)
水野亜美(Mizuno Ami)
Her family name Mizuno includes the kanji 水 (water), perfectly matching Mercury’s water-themed abilities.
● 地球/Earth (Tuxedo Mask)
地場衛(Chiba Mamoru)
His family name Chiba can be interpreted as “the place of the Earth” or “one who protects the Earth.” It reflects his role as the guardian of Earth.
The Worldbuilding Is Reflected Directly in Their Names
In Sailor Moon, the characters’ roles, attributes, and even the overall worldbuilding are woven directly into the structure of their names.
Just by looking at a name, you can naturally tell:
- which planet’s guardian they are, and
- what kind of imagery or element they represent.
The naming itself becomes part of the storytelling.
In Real Life, Japanese Names Also Carry Deep Meanings and Wishes
Unlike manga character names—which are often created to express the story’s worldbuilding— real Japanese names usually reflect personal hopes and everyday values.
Parents choose kanji based on the meanings they want to give their child’s life.
● 光 (Hikari)
The kanji means “light.” → A wish for the child to walk a bright, shining life.
● 海 (Kai)
This kanji means “sea.” → A hope that the child will grow up with a heart as broad and deep as the ocean.
● 桜 (Sakura)
This kanji means “cherry blossom.” → A wish for the child to grow beautifully and gracefully, like cherry blossoms.
In Japan, it’s very common to choose kanji intentionally like this— embedding hopes, meanings, and blessings directly into a child’s name.
Hiragana, Katakana, and the Importance of Sound
In Japanese names, people don’t focus only on kanji— the sound of the name is just as important.
For example:
さくら
サクラ
Sometimes a name is written intentionally in hiragana, and other times intentionally in katakana.
- Hiragana gives a soft, cute, gentle impression.
- Katakana feels sharper, modern, and stylish.
On top of that, Japanese people often consider the balance with the family name, choosing a combination that creates a beautiful overall sound.
The “feel” of the name is part of the aesthetic.
The Unique Emotional Depth of Japanese Names
In Japanese, whether in real life or in manga and anime, names often carry deep meanings and hidden stories.
Most of the time, a name is just a name. But once you think about the meaning behind it, you start imagining the hopes, wishes, or symbolism that might be woven into it.
This sense of “unspoken depth” is something very unique to the Japanese language.
When you understand the meanings of Japanese words and kanji, you begin to see the background behind each character’s or person’s name.
It lets you appreciate not only the story more deeply, but also the beauty of the name itself.
As you continue learning Japanese, I hope you’ll also enjoy discovering the thoughts and feelings that Japanese names quietly hold within them.
Bonus｜The Story Behind My Username “neko”
The name “neko” that I use online simply means “cat.”
I chose it for a very straightforward reason: I love cats.
(Yes, that’s really all there is to it!)
It has nothing to do with my real name, but online I refer to my family members using animal nicknames:
- My older daughter → Usagi‑chan (“little rabbit”)
- My younger daughter → Korisu‑chan (“little squirrel”)
So naturally, I picked “cat” for myself.
And now that I’ve switched to a Google Pixel and technically become a “Google dog,” maybe “inu” would have worked too…
but honestly, I still love the sound of neko in romaji. It’s cute, stylish, and it just feels right.
Maybe names that stick with you for a long time are the ones you choose casually like this.
Here’s the previous video♪
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