Bowser

Bowser (known as Koopa in Japan) is the main antagonist of the Mario series. He is Mario's arch-enemy who is the king of the turtle-like creatures known as Koopa Troopa. He strives to expand his own kingdom by conquering the Mushroom Kingdom.

Bowser is one of the main antagonists of Cloverleaf: Darkness. Like his previous incarnations, Bowser is planning to take over the Mushroom Kingdom, as well as kidnapping Princess Peach.