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.
- The Trench
- Meg: Primal Waters
- Meg: Hell's Aquarium (mentioned)