Peewee piranha

Peewee piranha
Peewee piranha is a boss in the game Super Mario Galaxy 2 in the sky station galaxy. He requires 3 hits on its shell to get angry. After 2 hits, its shell breaks. After 3 hits, his shell magically spawns back and you have to hit him 3 more times.

Helpful tips
To deal 2 hits, ground-pound his shell.