Thornback Raptor
The thornback raptor is a reptilian like creature that is rolls around in a curled ball with powerful thorns for traction.
Hannibal
The hannibal is a deceptive undead that hides in plain sight in order to get what it wants: the memories and nourishment of grey matter.
Metal Slime
The metal slime is a small metallic ooze immune to all magic, and resilient against weapon attacks. Originally from the Dragon Quest series.