Demon
This is a demon that has been summoned from some hellish dimension, they are encountered in areas where foul sorcery is practiced. If you encounter a demon you either have powerful enemies or there is a dead sorcerer somewhere who has failed to bind the demon he summoned.
Mario's Miniatures Gallery:
Mite-y Minions •
Personal Collection •
Aliens •
Fyrrealm •
Kirby tribute