Barugon

An ancient chameleon like creature was discovered as an egg from the caves. On the boat, it hatch and destroys the boat and went on a rampage in Osaka as a full grown kaiju. It has an extendable tongue that can shoot flames. His second weapon is icy mist that can freeze any kaiju for eight hours. He can also make his dorsal back to create a heated rainbow that could destroy missiles. Barugon has a deadly weakness to fresh water.