Shanks (1974)

Malcolm Shanks is a sad and lonely man deaf mute and living with his cruel sister and her husband who delight in making him miserable His only pleasure it seems is in making and controlling puppets Thanks to his skill he is offered a job as a lab assistant to Dr Walker who is working on ways to reanimate dead bodies by inserting electrodes at key nerve points and manipulating the bodies as if they were on strings When the professor suddenly dies one night Shanks gets the idea to apply their experimental results to a human body and then to start exacting some revenge