Den

Den is Tom's younger Brother.He is a Bering Wolf-fish Merman.He is alo a Ship Carpenter and Sea Forest researcher.

Appearence
Den is a muscular, slim fishman with curly long hair. He wears a black hat and a pair of glasses which is somewhat attached to his hat. He has two 4 petaled clover tattoos on his each arm. There is also a clover sign on his black shirt. He has two earrings each of his ears and a necklace around his neck. He has a goatee and a pointy nose. Also he has a bag full of tools attached to his belt. Although he is the brother of Tom, they don't resemble each other.

Powers and Abilities
Den is a ship carpenter and as Tom's little brother it's very possible that he is as talented as Tom if not greater than. Being a Sea Forest researcher he has some knowledge about sea forests.