Who has a sister that is apple dumplin' and a cat called custard. strawberry shortcake or blueberry muffin from movie strawberry shorcake?

In the movie "Strawberry Shortcake," Blueberry Muffin has a sister named Apple Dumplin' and a cat named Custard. Strawberry Shortcake is a separate character in the series. Blueberry Muffin and her sister are part of the broader Strawberry Shortcake universe, which features various characters and their own unique traits.