C344 The Stone Tablet of the Mermaid Island's Poneglyphs

The fishman who appeared in the Forest of Sea with a hat was Tom's brother, Dan.

Tom was the one who had built the ship for the previous Pirate King, Roger, and also the one who had created the sea train in Water Seven.

Dan was just like his brother, Tom, and was also a skilled shipbuilder. At the same time, he was also a scholar who specialized in studying the Forest of Sea. Therefore