Dr. Giggles [Blu-ray]

After his father killed off a bunch of the local townsfolk, Evan Rendell (Larry Drake) grows up to become an unstable adult, nicknamed "Dr. Giggles" because believes he is a medical doctor. When Evan escapes from the mental institution he was imprisoned in, he travels back to his home town, posing as a true doctor, and begins to kill off the unsuspecting local residents.