Bowser

were you looking for king koopa?

bowser is one of three final bosses in super DUPER mario bros. and is comonly the final boss and main enemy in ll super mario bros. games. in this game, his castle is overthrown by his past counterpart.

backstory
his first enemies created in the factory were koo-bomb, slingy, and bob-bomb. after this he discovered the mushroom kingdom and stole peach until mario saved her and that process repeats over and over and over again. in this game, he summons jumpman and makes him think mario is the enemy, and he summons oiram.

trivia

 * bowser is replaced by wart in super mario bros. 2.