Mecha-Bowser

Mecha Bowser (also known as Robo-Bowser or the Bowser-Bot to fans) is a huge robot that looks like King Bowser.

In Paper Mario, Mecha Bowser goes by the name Bowser???, and is controlled by the Koopa Bros.. However, this version of Mecha Bowser was built very poorly, and as a result, it was defeated very quickly. After the player watches the Koopa Bros. imprison themselves in the Bob-ombs' cell, he or she can see a picture of Princess Peach on the bottom part of Mecha-Bowser!

The 2.0 version of Mecha-Bowser was controlled by Bowser Jr. in Super Mario Sunshine. This version of Mecha Bowser was much more advanced; blasting fire from its mouth and firing Bullet Bills. It also was much more massive.

It also appeared in Mario Power Tennis.