Robert R. Shafer

A bullied teen stumbles into possession of a top-secret government formula that turns his dog invisible and gives it the power of speech.

A fanatical animal rights activist releases giant pythons into the Everglades, believing the wild animals should be set free. When they start ...

When the prehistoric warm-water beast the Crocosaurus crosses paths with that cold-water monster the Mega Shark, all hell breaks loose in the ...

Two guys and a female hitchhiker are terrorized by a monstrous looking man driving a giant monster truck.