Sanrio has announced that Yuko Yamaguchi, the artist behind Hello Kitty for the past 46 years, will be stepping down to make way for a new designer.
The announcement was released through Sanrio’s own online news outlet, the Sanrio Times, and in the March issue of the monthly magazine The Strawberry Newspaper.
Yamaguchi’s successor, who goes by the pseudonym of “Aya,” will be taking over Sanrio’s iconic feline queen sometime later this year.
Yamaguchi runs a blog, and often adds photos of herself and celebrities like Lady Gaga | Image courtesy of the “Yuko Yamaguchi in Wonderland” blog
The Kawaii Hello Kitty Empire
Sanrio makes almost $4 billion in annual sales from Hello Kitty merchandising and licensing alone. At the peak of her popularity, the character accounted for nearly 76% of Sanrio’s gross profit.
Though Sanrio has a huge roster of lovable characters, including timeless classics like My Melody, as well as some more obscure and questionable ones, Hello Kitty is the face of the brand. Her simple yet endearing design has helped to catapult the kawaii lifestyle towards a global stage.
Kitty has been a muse for Lady Gaga, accompanied sumo wrestlers in London as the official ambassador for the Grand Sumo Tournament at the Royal Albert Hall, was designated as a UNICEF Children’s Ambassador in both Japan and the United States and received a personal shout-out from King Charles among many other accomplishments. She’s even getting her own Hollywood movie in 2028.
An original Hello Kitty drawing by Yamaguchi | Image courtesy of the Sanrio Harmonyland X page
Four Decades of Drawing Hello Kitty
Hello Kitty recently celebrated her 50th anniversary with fans from around the world. Out of those years, Yamaguchi has been her primary artist for 46 of them.
During her tenure, Yamaguchi has served as the director and head of character production at Sanrio and has been a driving force since joining the company in 1978. She has collaborated with many artists and designers in Japan and abroad, helping Sanrio and Hello Kitty to grow into a globally recognized franchise.
Before Yamaguchi, Kitty’s “fore-mothers” were Yuko Shimizu and Setsuko Yonekubo. Shimizu was Hello Kitty’s original designer, creating the character when she was just 24. Kitty made her debut in 1974 on a vinyl coin purse that quickly became Sanrio’s best-selling product.
Shimizu left Sanrio just two years later to start a family, but her impact, not only on the company but also in pop culture, cannot be understated. Following her departure, Shimizu’s former assistant, Yonebuko, temporarily took over design duties for Hello Kitty.
At that point, Hello Kitty was aged 6. While still Sanrio’s top performer, she was starting to lose her competitive edge in the character market. Legend has it that Sanrio’s founder Shintaro Tsuji was considering abandoning Kitty. Desperate to revamp the leading lady, Yamaguchi officially became Kitty’s main designer in 1980, bringing experimental ideas with her.
Yamaguchi in 2019 | Image courtesy of the “Yuko Yamaguchi in Wonderland” blog
Yuko Yamaguchi Style
Kitty’s primary issue was a lack of variety: the character had very few variations in poses, outfits and colors. Yamaguchi truly revolutionized her image.
“Before I took on the role as Hello Kitty’s character designer, Hello Kitty only ever wore overalls. Since then, I have poured a lot of thought into Hello Kitty’s fashion and given her vibrant clothing with variety,” said Yamaguchi in Vogue Hong Kong.
Hello Kitty isn’t just loved by children; the character has been embraced by people from all backgrounds. Yamaguchi said that when she was first appointed, Hello Kitty fans were around 10 years old; today the average fan is 34 — a shift that Yamaguchi wanted to reflect by drawing Kitty in various styles and roles, from a high school student to an office worker.
Overseas celebrities like Paris Hilton began declaring themselves Hello Kitty fans, and exchanges with Hilton inspired Yamaguchi to incorporate the latest fashion trends into Kitty’s designs.
Hello Kitty began participating in fashion subcultures like gyaru and kogal, cementing the character’s seat as a cultural tastemaker.
Yamaguchi is also a kawaii style icon, expressing herself with colorful hair, bold patterns and hyper-girly aesthetics.
“No matter what age you are…you are kawaii,” she once said.
Hello Kitty with Yokozuna Toyonoryu, as the character was appointed as ambassador for the London Grand Sumo Tour in 2025 | Image courtesy of PR Times
The Future of Hello Kitty
An interview between Yamaguchi and Hello Kitty’s 4th-generation artist, Aya, is planned for a future issue of The Strawberry Newspaper.
However, Yamaguchi is not completely retiring. Sanrio has also stated that the designer will continue to provide support as an advisor for the company, drawing on the vast experience and knowledge she has cultivated throughout her career.
Though no further details have been announced regarding Aya’s creative style, this transition marks an important new chapter in Hello Kitty’s history.
