In WarioWare touched for DS how do you unlock the black teddy bear?

In WarioWare: Touched! for the Nintendo DS, you can unlock the black teddy bear by completing all the microgames in the game. After finishing the game, you'll need to achieve a high score in the "Wario" microgames, which will eventually unlock the black teddy bear as a special collectible. This bear serves as a trophy for your accomplishment in mastering the game's challenges.