It has been requested that at least one image be uploaded for this article. Remove this notice only after the image(s) have been added.
Undergrunt Gunner is a miniboss in Super Mario Galaxy. He is a blue Monty Mole that mans a cannon. There are several ways to fight him in the game, such as jumping above him as Spring Mario and ground pounding on him. You have to do a certain tactic two more times to defeat him. He appears in the Deep Dark, Gold Leaf, and the Toy Time galaxies.
This article is a stub. You can help the Super Mario Wiki by expanding it.