McKraken

, full name and title is a Boss Yo-kai, and the final boss of the main story in the first game.

In the Yo-kai Medallium it states,"The leader of the group trying to take over the Yo-kai World. He can absorb energy through the holes of his hands."

Personality
McKraken has deep contention with the human world and their denizens to a fervent degree. He also sees Yo-kai that side with humans to be "pets" and traitors.

Squisker
He is a distant relative to Squisker.