Why is Hello Kitty so popular in Asia?

Could you please elaborate on the reasons behind Hello Kitty's immense popularity in Asia? Is it due to her cute and adorable design that resonates with the Asian audience? Or perhaps it's her versatility, allowing her to be incorporated into various products and merchandise? Additionally, could her popularity be attributed to effective marketing strategies tailored specifically for the Asian market? I'm genuinely curious to understand the factors that have contributed to Hello Kitty's enduring popularity in this region.