Yo-kaiju

is a Boss Yo-kai

The Yo-kai Medallium bio reads; "Length: 82 meters. Weight: 165 tons. The three turtle Yo-Kai that had become guinea pigs for the Remodeled Yo-kai experiment were fused through a mysterious power and evolved into a Yo-Kaijuu! The sea water that it shoots out at a high pressure using the Gamegoniumu organ within its body is its signature move, the Gamego Water Bombs! "