Kittyandmimmy playfround

It seems like you might be referring to "Kitty and Mimmy," characters from the Sanrio universe, similar to Hello Kitty. They often feature in various playful and whimsical settings, including playgrounds. If you have something specific in mind, such as a game, story, or a particular aspect of their adventures, feel free to share more details, and I'll be happy to help!