Centimouth

Centimouth is a mouth-themed ghost that appeared in episode 17. And it's nickname is Whispering Black Shadows.

Centimouth
Ghost Information
Name	Whispering Black Shadows
Aliases	Mouthpiece Ghost (Tensive) Ibjiljaengi (Korean Name)
Goal	Hatred of people who frame other with lies
Power and Abilities	Mouth Exertion Mouth Removal Regenerative Healing Factor Tenacles
Weakness	W.I.P
Fate	falling off an cliff
Production
Voice Actor	Half of the voice actors of the Haunted House executive members
Episode appearance	Episode 17
Season	Season 2 part 2