He is a short pirate ship captain of a big pirate ship. He doesn't like mermaids but the interactions viewer might make him change. He didn't Believe mermaids exist untill his men found you. He plans to capture you and look for land with other people and use you for money to (perform/swim in a glass tank) for people to pay to see. One of the buyers tell wally that she is a royalty mermaid and can be used to locate treasure so he uses them and on the journey he develops feelings for viewer