Minifor

Minifor (ミニフォール, Minifōru) is a catlike Dungeon Creature created by Valefor, out of his Magoi, as the final trial for the would-be conquerors of the sixth Dungeon.

Appearance
Minifor is a small, purple, catlike Dungeon Creature with a third eye on its forehead, and typically, a large snot bubble. It has a sickly appearance, quite often trembling, sneezing, and wheezing.

Despite its weak appearance, it's noted to be strong and lightning fast.