This is a poisonous alien monster which comes to Earth and feeds on pollution. He can also merge with other monsters and become more powerful. He is finally defeated by Godzilla and electrocuted.

Although this monster was not so powerful, it is worth considering it since it was the first real enemy of Godzilla in the 1955 movie.

Battra is an environmental stabilizing force created by an ancient race which subsequently went out of control. Mothra (its opposite) is the only one that can defeat it.

This is the monster who finally manages to kill Godzilla once and for all in the 1955 movie Godzilla vs. Destoroyah.

This monster is really scary and violent and almost killed Godzilla with his hooks and claws before it was defeated.

This is a three-headed dragon which spits lightning from its mouths. This is the strongest and most menacing enemy of Godzilla because of its incredible powers and creepy aspect.

This monster is the evil robotic mirror image of Godzilla and it is absolutely armed from head to toes.

Mothra is the good kind of monster which always takes humanity\'s side. It has extremely powerful psychic abilities which helped her in the battle against the big guy.

Rodan is a radioactive giant pterosaurus which featured his own movie before becoming Godzilla\'s sparring partner.

This is the heaviest monster in the series and was created when Godzilla\'s DNA gost spliced with that of a rosebush\'s.