Revenge Of The Living Dead Girls (1987)
A company, not wanting to pay for their chemicals to be dumped properly, put some into a truck of milk, which eventually kills three girls. The girls then return from the dead to seek bloody revenge.
A group of tourists become stranded on an uninhabited island where they are stalked by an insane, violent, and grotesque killer that slaughtered the town's former residents.
Patrick Still Lives (1980)
A bedridden psycho is able to receive evil "vibrations" from hardened criminals and use them for his telekinetic powers.