Bowser

Bowser, sometimes known as King Koopa (Japanese: 大魔王クッパ, Daimaō Kuppa, which translates into "Great Demon King Koopa" or "Great Sorcerer King Koopa", the latter being used in the manual of Super Mario Bros.), is a major character and the main antagonist of the Mario franchise. He is a large, powerful, fire-breathing Koopa who leads the Koopa Troop, an antagonistic organization of turtle-like creatures, and has been the archenemy of Mariosince his debut in Super Mario Bros. He has repeatedly kidnapped or attempted to kidnap Princess Peach with the ultimate goal of defeating Mario and taking over the Mushroom Kingdom.

In When the Cold Breeze Blows Away, he is the major antagonist serving for Lola Loud that he want take over the Mushroom Kingdom,then he will rule the world with help Lola Loud's allies