Alien like creature sucks brain from top of head

The Earth is invaded by alien parasites—AKA 'slugs'—that ride on people's backs and control their minds.

A small town is taken over by an alien plague, turning residents into zombies and all forms of mutant monsters.

While searching for a small fortune of embezzled money, an ex-con, a small-time bandleader, his doting wife and a kooky drifter find themselves being followed. Their chase takes them to trailer camps, bingo halls, laundromats and ultimately, a showdown with a group of unconventional bad guys.

Dr. Bill Cortner and his fiancée, Jan Compton, are driving to his lab when they get into a horrible car accident. Compton is decapitated. But Cortner is not fazed by this seemingly insurmountable hurdle. His expertise is in transplants, and he is excited to perform the first head transplant. Keeping Compton's head alive in his lab, Cortner plans the groundbreaking yet unorthodox surgery. First, however, he needs a body.

After his fiancee in killed a car accident, a gifted surgeon revives her severed head in hopes of finding her a new body.

A huge, alien structure resembling an inverted cone, appears in the woods outside a small rural town. Sent from Washington to investigate the origin of the mysterious object, a team of investigators discovers that intelligent parasites from inside the "cone" can attach themselves to humans' nervous systems and control their minds, taking control of the authorities and workers, making communication with the outside world impossible, and leaving the responsibility of stopping the invasion up to seven people who have thus far been able to avoid possession by these creatures from parts unknown.

Invading aliens are taking over the brains of folks in a small town. The head leech is a wad of black tinfoil with a couple of white thumbtacks for eyes. Others are spidery-like rubber things pulled along by strings.

An evil alien brain, bent on world domination, takes over the body of an atomic scientist, while a "good" alien brain inhabits the body of the scientist's dog and waits for an opportunity to defeat the evil brain.

A rock like alien lands on Earth looking for sustenance. What does it eat? Intelligence! One touch of the rock and it sucks the smarts, if you have any, right out of you. Dr. Belinda Garland studies the alien rock to harness its power. However the evil Amazing Jacques and his co-hort, The Spiderwoman, plan to use the rock's brain sucking power to rule the world.

A shapeshifting Alien from outer space wreaks havoc on a small rural town in the American Southwest near the legendary Area 51 of UFO fame. These Extraterrestrials are a brain-eating race who love to behead and eat humans. They are among us and have been for millions of years.