Rattle Diva is a popular musician for Big Green, until the Pandas and Giraffes joined Big Green, and she joined up with the Panda King and Giraffe King to form the Do-Re-Mi Band; later on, the Frogs would also join the band. When she plays, musical notes come out and go on top of people's heads like headphones. Everyone in Big Green loves her music. Rattle Diva made her first appearance in Pandaffe Castle, where she performed a concert for all of Big Green. Unfortunately for her, Mystique Sonia

Maybe you’ve been feeling it lately, too—that aching longing for a simpler, (arguably) better time from your childhood. There is something deeply magical about remembering what things used to be like. And it’s enjoyable to think back to the good old days for a few moments, even if you know you’re viewing everything through rose-colored glasses.