The mask guy that doesn't like to talk to humans all he says to humans is "hm",he's interested in ghost and mosters (most of his friends is mosters but he's human),he has a ghost friend(delune) and david and smiley is his moster friend,his real parents is dead in car accident so he got new parents and his new sister(aichi) but he's feel uncomfortable so he lived with smiley instead,use trident as a weapon,can open portal to somewhere,he just 14 years old,he like to sleeping(almost everywhere)