October 17, 2025
Any IP holder would share the same desire for their character to be loved for a long time rather than just being a fleeting trend.
You, too, reading this, probably came here with the thought, "I want my character to be remembered by more people and for a longer time."
In fact, characters that have been loved for a long time are not created simply by luck or by chance.
Only by having a ‘structure that can survive for a long time’ can you be loved and not forgotten for a long time.
You can immediately tell this by looking at Japan's long-standing IPs.
Then, what is needed for a character to become a consistently beloved presence across generations?
Today, I’d like to take a look at some long-standing characters from Japan and discuss how they were able to become ‘IPs that defy time.’

Kumamon is a regional promotional character created by Kumamoto Prefecture in Japan, born in 2011 to announce the opening of the Kumamoto Shinkansen. Although it was initially created as a mascot for local tourism, it now enjoys great recognition not only throughout Japan but also overseas.
Beyond being a simple promotional character, Kumamon has established itself as a symbol of Kumamoto Prefecture, appearing in various products, events, and advertisements.

If Korea has Pengsoo, Japan has Funasshi.
Originally, Funasshi is a character created by the citizens of Hubabashi City to promote the city.
So, it was made based on the boats of Funabashi City and looks like a boat.
However, contrary to the original creative intent, Funasshi was not selected as the city's mascot.
Nevertheless, Funasshi gradually expanded its scope of activities by appearing on TV, performing music, and participating in live events while wearing a mascot costume, and eventually became a character loved throughout Japan.

One of the most trending characters on Japanese social media recently is Chiikawa.
Chiikawa is a character that originated when author Nagano posted a short comic on social media.
Cuteness, empathy, and a touch of poignancy blended within short and simple stories, forming a wide fanbase.
Now, it has grown into a popular character representing Japan, expanding beyond comics into various forms such as animation, merchandise, and collaborations.

Sanrio is a leading Japanese character company that has created numerous characters, including Hello Kitty, My Melody, Cinnamoroll, and Gudetama. Since the 1970s, it has consistently introduced new characters and has established itself as a brand that appeals to all generations.
In particular, Hello Kitty has been loved worldwide for over 50 years and has become an iconic figure in the Japanese character industry.
The characters mentioned earlier each have different starting points, reasons for their creation, and scopes of activity.
However, if you take a closer look at these characters one by one, you can see commonalities that must be considered to become a long-lasting IP.
1️⃣Unchanging identity + expression suited to the times
Just as Funasshi continues to operate much more flexibly than before while still symbolizing Funabashi City, other characters have also kept their core identities intact while adapting their modes of expression to suit the times.
In this way, long-standing characters have managed to maintain the brand's 'core emotional line' without wavering, even while trying new things in accordance with trends.
That is why fans can still recognize the character and feel a sense of familiarity with it, even as generations change.
In other words, the first secret to a long-lasting character is clearly distinguishing 'what to change and what to keep.'
While design or expression may change to keep up with trends, the character's core emotions and worldview must remain unchanged.
When this balance is well maintained, the character is not swayed by trends and can naturally continue their love even as generations change.
2️⃣Expanding opportunities to meet consumers
When the characters were first created, Kumamon met fans through offline-centered expansion such as merchandise, local events, and advertisements, while Chiikawa met fans through online expansion centered on social media and digital content.
However, as the characters grew, Kumamon expanded his activities online through social media and broadcasts, while Chiikawa reached out to offline fans through merchandise and pop-ups.
As such, long-standing characters are not staying confined to specific platforms but are expanding their scope of activities to gain more fans.
You must secure diverse opportunities for fans to interact with characters both online and offline to extend their lifespan and recognition.
This is also the reason why IP holders recently are not stopping at merchandise sales or social media activities, but are actively increasing exposure opportunities based on actual experiences, such as exhibitions, pop-ups, and brand collaborations.
3️⃣Growth of the relationship between fans and characters
The longer a character lasts, the more important the relationship between the fan and the character is.
Fans must exist not merely as consumers, but as active participants in creating stories together in order to maintain a strong bond between fans and characters.
Examples include Sanrio holding an annual popularity poll and Kumamon freely granting usage rights to local product creators.
Through this, consumers build memories of participation distinct from simple purchase satisfaction and can form a strong bond with the characters.
The time spent growing up with the character becomes an inseparable bond for the fans, extending the character's lifespan.
The biggest lesson shown by Japan's long-standing character IPs is that they maintain relationships with people within their own worldview.
In addition to this, you must clearly establish the character's worldview, adapt flexibly to various media and products, and continuously maintain communication with people.
When these three elements are combined, it creates an IP that is loved across generations, rather than just fleeting popularity.
Ultimately, a character's lifespan is determined by these three factors, rather than concepts like cuteness or B-grade sensibility, or large-scale marketing. If those reading today keep these three points in mind when creating characters...
You could become a character that surpasses today's long-standing IPs!
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