Blooper Stacks are a set of enemies from Paper Mario: Color Splash. It is a set of 10 Bloopers stacked closely together. They only appear on Lighthouse Island. They attack consecutively with the same attacks a normal Blooper.

Blooper | Big Blooper | Super Blooper
Electro Blooper | Blooper Baby | Gooper Blooper | Poison Blooper | Blooper Stack