He was once a snow hat which was used by the kids to play dumb, and was abandoned after being tossed in a pond, after that he become a Yo-Kai. He breaks in tears after telling his story, but luckily for him Wazzat appears and convinces him to pose as hats used by comedians to unwittingly perform his acts. He makes sporadic appearances with Wazzat and the comedians in TV shots.
Dummkap is summoned in EP090 to deal with Omoidasuppon Flushback in order to stop the turtle Yo-kai from tormenting Nate that day.
==Trivia==