Ball Yoshi

Ball Yoshi
Used on	Yoshi
Power(s) given	Turns invincible and is able to break through walls.
First appearance	Yoshi Topsy-Turvy (2004)

Ball Yoshi is one of the transformations from Yoshi Topsy-Turvy, and first appears in Tale of the Spirit of Speed. Usually at the start of a page, Yoshi may transform into a bouncy ball that cannot be harmed. This form is controlled purely by tilting the console, and upon impact destroys blocks and enemies alike. In the level 4-4, this form is used throughout the entire level.

In-game description

"Destroy Everything! The ball's invincible! Don't panic as you tilt the Game Boy Advance with each bounce."