The complete episode is available for streaming on the BBC Sounds platform.

After a 46-year tenure, the creator of Hello Kitty is relinquishing her design role, marking the end of an era for the beloved character that has become a global phenomenon.

In 1980, Yuko Yamaguchi assumed design responsibilities for Hello Kitty, a character that, despite being commonly perceived as a feline, is actually a little girl from London, five years after the character's initial launch.

During Yamaguchi's four-decade stewardship, Hello Kitty has evolved into one of the most successful franchises worldwide, with its popularity extending far beyond its origins in Japan.

Sanrio, the company behind Hello Kitty, has expressed its gratitude to Yamaguchi, stating that she has "passed the torch" to the next generation of designers.

The launch of Hello Kitty coincided with the rising global popularity of Japanese 'kawaii' culture, a distinctively feminine and youthful aesthetic that has become a cultural phenomenon.

Yamaguchi often embodied the Hello Kitty spirit by wearing dresses inspired by the character and styling her hair in buns, reflecting her deep connection to the brand.

Now 70, Yamaguchi has been credited by Sanrio with transforming Hello Kitty into a universally beloved character, as noted on the company's website.

Sanrio has announced that one of its designers, known by the pseudonym "Aya", who has been working alongside Yamaguchi, will take over as the lead designer by the end of 2026.

Although Yamaguchi is stepping down from her design role, she will remain with Sanrio to offer guidance and support.

Hello Kitty first appeared on a coin purse in 1974, but it was in 1980 that the character began to gain widespread recognition, eventually becoming a global marketing sensation.

The character has been featured on a wide range of products, including clothing, accessories, video games, and even an Airbus plane, and has partnered with notable brands such as Unicef, Nintendo, and Balenciaga, as well as making an appearance as a float in the Macy's Thanksgiving Day Parade.

Hello Kitty-themed cafes can be found worldwide, and there is a dedicated theme park in Japan, with another park slated to open in China.

Unlike other popular Japanese exports, such as Pokemon, Hello Kitty has a relatively minimal backstory, with Sanrio describing her as "not quite a cat, but not a human either".

According to Sanrio, Hello Kitty was born in London, has a twin sister named Mimmy, and a boyfriend named Dear Daniel, although these details are not widely emphasized in the character's marketing.

A Warner Bros film featuring Hello Kitty is scheduled for release in 2028, marking the character's cinematic debut, although she has previously appeared in several animated series, always without speaking, due to her design lacking a mouth.

The US experienced a slowdown in inflation last month, driven by decreases in energy and used car prices.

According to the Labor Department, the consumer price index increased by 2.4% over the past 12 months, ending in January, marking a decline from the previous month's 2.7% and the slowest rate since May.

This development may support the argument made by US President Donald Trump and others that the central bank has the flexibility to lower interest rates without triggering a surge in prices.

However, analysts caution that progress toward the Federal Reserve's inflation target of 2% may be hindered in the coming months if companies begin to pass on tariff costs to consumers more extensively.

Neil Birrell, chief investment officer at Premier Miton Investors, noted that the impact of tariffs remains uncertain and pointed out other data anomalies that could have influenced the January figures.

Birrell stated that the January report is likely to pave the way for a potential rate cut in the near future.

He added that the US economy appears to be performing well, with strong growth, stable inflation, a robust job market, and a Federal Reserve that has the ability to adjust its policies as needed.