The Story Behind Japan's Iconic Kewpie Mayonnaise

If you've ever picked up a bottle of Kewpie mayonnaise, you've probably wondered about the tiny baby on the package.

Why is there a baby on Kewpie mayo?

The character is the Kewpie, originally created by American illustrator Rose O'Neill in the early 1900s. When Kewpie Mayonnaise launched in Japan in 1925, founder Toichiro Nakashima chose the already-popular Kewpie character as the brand name and trademark.

A century later, the little baby has become almost inseparable from Japan's most famous mayonnaise.

And that's where this becomes more than a condiment story.

It's also a character story.

👶 Who Is the Kewpie Mayo Baby?

The baby on Kewpie mayonnaise wasn't originally created for mayonnaise.

The Kewpie character originated in the work of American illustrator Rose O'Neill in the early 20th century.

Round face. Big eyes. Tiny wings.
A cherub-like character with an unmistakable expression.

When Kewpie Mayonnaise was introduced in Japan in 1925, the company adopted the name and character. Kewpie's own history says the brand name came from the Kewpie doll character that was popular at the time.

Over time, the character and mayonnaise became inseparable.

Image Source: Kewpie Mayonnaise Official Website

🇯🇵 What Is Kewpie Mayonnaise?

Kewpie Mayonnaise was launched in 1925 as Japan's first domestically manufactured mayonnaise.

One of its defining differences is that it is made using egg yolks rather than whole eggs, giving it a rich flavor and strong umami.

Today, Kewpie describes it as its flagship product, and the mayonnaise celebrated its 100th anniversary in 2025.

 

🧴 Why the Kewpie Character Works

Kewpie mayo would already be distinctive because of its taste and bottle.

But the baby gives it something else:

personality.

It's not simply "mayonnaise."

The Kewpie character feels playful, nostalgic and instantly recognizable.

And after 100 years, seeing that little baby on the bottle can immediately signal Kewpie before you've even read the label.

🎎 From Mayonnaise to Character Culture

Over the decades, the Kewpie character has appeared far beyond an ordinary food label.

That makes Kewpie interesting from a Japanese character-culture perspective.

A pantry staple became something people recognize not just by its flavor, but by a character.

It's an unusual combination:

food + packaging + character + nostalgia.

And that's part of what makes Kewpie such an interesting Japanese brand.

Image Source: 100 year anniversary - Kewpie Mayonnaise Official Website

🇯🇵 Why Characters Matter in Japan

Japan has a remarkable culture of using characters far beyond children's entertainment.

Characters appear on food packaging, public transportation, tourism campaigns, companies, regional promotions and everyday products.

Kewpie is an early example of how a recognizable character can give an ordinary product a personality people remember.

In this case, that product happens to be mayonnaise.

🧡 From Pantry to Pop Culture

The Kewpie baby shows how something as ordinary as a condiment can develop a visual identity that lasts generations.

Kewpie Mayonnaise has been sold in Japan since 1925.

The packaging has evolved.

The product has traveled around the world.

But that little Kewpie remains immediately recognizable.

Sometimes a tiny character can carry a very big brand.

❓ Kewpie Mayo FAQ

Why does Kewpie mayo have a baby on it?

The character is the Kewpie, which was already popular when Kewpie Mayonnaise launched in Japan in 1925. Founder Toichiro Nakashima chose the Kewpie name for the mayonnaise brand.

Who is the Kewpie Mayo baby?

The character traces back to the Kewpie created by American illustrator Rose O'Neill in the early 1900s.

Is Kewpie mayonnaise Japanese?

Yes. Kewpie Mayonnaise was launched in Japan in 1925 and was the first mayonnaise manufactured and sold in Japan.

What makes Kewpie mayo different?

Kewpie's flagship mayonnaise uses egg yolks rather than whole eggs, which contributes to its rich flavor and umami.

👋 Meet a JapPop Resident

Mewonnaise

ミャオネーズ

Some cats dream of the finest tuna.

Mewonnaise has different standards.

He’ll ignore the fanciest cat food without a second glance — but open a bottle of mayonnaise and suddenly he’s very interested.

A cat with questionable taste and absolutely no regrets. 🐱🥚

👉 Meet Mewonnaise and discover more residents from the JapPop Universe.

🇯🇵 About JapPop

At JapPop, we celebrate Japanese culture through playful illustrations, original characters, and stories inspired by the traditions, foods, folklore, and everyday moments that make Japan unique.

From educational articles to original characters and wearable art, our mission is to help people around the world discover Japan—one smile at a time.