Kirby: Squeak Squad

Kirby is enjoying his picnic until someone snatches his strawberry cake. Suspecting his eternal rival, King Dedede, to be behind the theft once again, Kirby rushes off to get his cake back. Along the way, he meets up with the Squeak Squad, a team of mysterious and infamous thieves. After Kirby defeats Dedede, the Squeaks turn against him and steal Dedede's treasures, believing those will "grant them the ultimate power". It's now up to Kirby to defeat the whole Squeak Squad, and get the treasures...