- For other uses, see Monstro (disambiguation).
It appear as nothing more than a smaller version of the boss Monstro.
Ministros slide around the room aimlessly. They are able to leap over obstacles and pits. Occasionally, similar to one of Monstro's attacks, they pause for a moment to spit a small cluster of blood-shots.
- Its name is a portmanteau of the words "mini" and "Monstro".