KAIJU (my best)

A space probe is infiltrated by alien beings and then crashes on a remote Pacific atoll. A group of people discover it to be inhabited by giant mutant monsters, created by the aliens in an attempt to conquer the world.

Original Japanese version. Research in the Tohoku region comes across a monster known to the locals as the mountain god Baradagi.

A mining engineer investigates the deaths of his colleagues, discovering prehistoric nymphs and a creature capable of flying - and wreaking havoc - at supersonic speeds.

Shortly after a giant robot destroys a village, aliens from outer space arrive offering friendship. Will the people of Earth tie these two events together?

A meteor lands in Japan and unleashes hundreds of insect-like "Legion" creatures bent on colonizing the Earth. Gamera shows up to deal with the ever-evolving space adversary but the battle may result in him losing his bond with humanity.

Gamera's ties to humanity have been severed as the Gyaos re-emerge. Nagamine and Asagi investigate as an orphaned girl named Ayana discovers a new creature. Named Iris, Ayana seeks revenge on Gamera for the death of her family.

An American scientist and his Japanese colleagues study a feral boy born from the radiated heart of Frankenstein's monster, while a subterranean dinosaur ravages the Japanese countryside.

A giant, cannibalistic humanoid's rampage through Tokyo is halted by his more docile twin, but neither their reunion nor their scientist caretakers can prevent their eventual duel.

An ornithologist investigates reports of a monstrous new species of bird just as a teenage girl is gifted an amulet found on mysterious atoll. As the creatures begin to attack, an ancient guardian with a bond to the girl emerges.

The evil Dr. Who captures King Kong to dig for Element X when his robot duplicate, Mechani-Kong, is unable to do the job, but Kong soon escapes and battles his doppelganger.

When a crew of scientists returns from Mars with a sample of the space spores that contaminated their ship, the sample escapes and grows into an enormous, rampaging beaked beast.

Earthquakes in central Korea turn out to be the work of Yongary, a prehistoric gasoline-eating reptile that soon goes on a rampage through Seoul.

A giant monster that emits a destructive ray from its back attacks Japan and takes on Gamera.

When an ancient underground civilization and their snake-like guardian plots to reclaim the surface world, those of the surface fights back.

A new Mothra takes to the air and must battle Death Ghidora to save humanity.

To save the world, Mothra goes back in time in an attempt to defeat a younger King Ghidorah.

Volcanic activity unleashes a bloodthirsty monster called Gyaos that Gamera must confront.

An amorphous cellular life-form descends from the atmosphere to consume carbon in the form of diamonds.

In 2008, all the world leaders are together at a G8 Summit meeting in Japan. A meteorite crashes into the heart of Sapporo and releases the monster Guilala. The monster rampages through Sapporo, leaving death and destruction in his wake.

In ancient Japan, a good lord is killed and his throne is taken by the trecherous Yuki Daijo and his wizard friend Oroki-maru. The young prince Ikazuki-maru is rescued from the jaws of death by a magic bird sent by a wizard. Ten years later, Ikazuki-maru embarks on an adventure to avenge his parents and the wizard's death with his magic powers he learned from the wizard. He kills Yuki Daijo but then must battle Oroki-maru in a battle to the death.

Mothra's twin nymphs and children from the city find a lost city, as well as a giant monster that is attracted to environmental calamities.

From out of the arctic comes a gigantic flying, fire-breathing turtle that sets its sights on destroying Tokyo.

When the Earth's ecosystem is disrupted due to global warming, a plethora of prehistoric sea monsters wage war on Japan. Led by the powerful Raiga, the monsters ravage the city of Asakusa.

Aliens kidnap two children and take them to another planet for the purpose of getting knowledge from their brains, but Gamera follows and tries to rescue them.

When an ancient statue is moved for display in Expo '70, a giant, vaguely Triceratops-like monster is released. The monster goes to Japan in pursuit of the statue and ends up battling Gamera, the giant flying turtle.