Naughty Kitty" or "MM Milk Candy Naughty Kitty" series.

The toy is a plush doll, often sold as a keychain or a desktop ornament. It is part of a "blind box" series, meaning the specific character inside is a mystery until the box is opened. The series is also referred to as "Baby Three Whose Cat Am I". The toys are designed by POP MART and are collectible figures.