Bowser

Bowser , also known as King Bowser, King Koopa, or Koopa, is a character and the main antagonist of Nintendo's Mario franchise. In Japan, he is titled Daimaō . He is the arch-nemesis of Mario and the leader of the turtle-like Koopa race. Depicted as a fire-breathing monster with a tyrannical personality, Bowser's ultimate goals are to kidnap Princess Peach and conquer the Mushroom Kingdom.