TURF: Ghost Houses.
AFFILIATIONS: Koopa Troop.
CLOSE RELATIVES: None.
SKILLS AND ATTACKS: It eats the ground.
WEAKNESSES: Can be stunned if jumped on.
BACKGROUND: Mattermouths are giant skulls, given life by strange magic. They can instantly destroy matter by eating it, leaving empty trails in their path, posing a problem to those who try to walk in their territory. Of course, the things they eat also reappear over time.