Septic Man

Jason David Brown stars as a sewage worker who is transformed into a monster in this Canadian horror. While investigating a report of contaminated water that has forced the evacuation of his hometown of Collingwood, sewage worker Jack (Jason David Brown) heads to the local sewage tank but finds himself trapped in an underground septic tank by Lord Auch (Will Burd) and his brother Giant (Robert Maillet). After trying his best to escape, Jack is transformed into the mutated monster Septic Man.

In his hideous new form, Jack is forced to team up with Giant to take down his murderous brother.