Wizenhimer

Wizenhimer is the leader of the Cult of Koopai, a mercenary team created by Bowser to take out his adversaries. He appears in all three parts of Super Mario Bros: The Lost Brother as an antagonist. In the end, he is banished to Lethal Lava Land by Dragon.

Trivia

 * Wizenhimer is actually from an episode of Super Mario World: The Animated Series. In the episode, Wizenhimer kidnaps Mario, Luigi, Peach, and Ooktar; leaving Yoshi to save them from the depths of Wizenhimer's castle.
 * This connection is referenced in The Lost Brother. Wizenhimer says: "I am Wizenhimer, the once failed Magikoopa, and you won't get away this time!"