Herman Cohen

A troubled teenager seeks help through hypnotherapy, but his evil doctor uses him for regression experiments that transform him into a rampaging werewolf. (imdb)

Dr.Decker comes back from Africa after a year, presumed dead. During that year, he came across a way of growing plants and animals to an enormous size. He brings back a baby chimpanzee to test out his theory. As he has many enemies at home, he decides to use his chimp, 'Konga' to 'get rid of them'. Then Konga grows to gigantic proportions and reaks havoc all over the city of London!! (imdb)

A writer uses his hypnotized helper to commit murders. (Leonard Maltin's Movie & Video Guide)

Monica Rivers is the owner and ringmaster of a traveling circus and who'll stop at nothing to draw bigger audiences. When a series of mysterious murders begins to occur and some of her performers die gruesomely, her profits soar. Many suspect Monica herself of the killings...(imdb)

When master monster make-up man Pete is sacked by the new bosses of American International studios he uses his creations to exact revenge.

Professor Frankenstein, a university lecturer with an alligator pit under his house, steals body parts of dead athletes from the wreckage of a crashed airplane. He builds a hunky male monster with a hideously disfigured face, which goes on a campus killing spree. (imdb)

Michael Conrad is a private zookeeper who owns Conrad's Animal Kingdom. He leads a cult group who literally worship the animals he tends -- especially the big cats: a lion, a lioness, a pair of cheetahs, a tiger, a black panther; and a gorilla. Conrad plays organ music to the animals in his living room, and uses them to kill anyone who gets in his way. (Wikipedia)

A nutty antiques dealer starts to sacrifice women to an African idol. (imdb)

Three teenagers encounter a ghost who is in limbo until he retrieves his lost head. They do their bit to help him find it. (imdb)