The Hunter is an episode of Loonatics Unleashed. It first aired 3 Feb 2007.
Synopsis
Massive escapes from the Acmetropolis prison ship. While the Loonatics are attempting to stop him, they battle a high-tech-hunter named Electro J. Fudd who is hunting Ace. They discover that Otto the Odd, while still in his cell, has taken over the prison. Otto reveals that he hired Fudd to hunt Ace.