Michael Maren was the main antagonist of Meg: Primal Waters and a secondary antagonist of The Trench. During the events of The Trench, he had a relationship with Celeste Singer. He also controlled the Megalodon known as Scarface during Primal Waters. He had a large rivalry with Jonas Taylor and James "Mac" Mackreides because of different events during The Trench.

he was killed by Scarface at the end of Primal Waters.