Sandros(New Age of Monsters)

Sandros is an evil and malevolent alien being. He is one of the worst feared space monsters in the universe and the main antagonist of Godzilla strikes back.

Personality
Sandros is aggressive, ambitious, pure evil, and turns planets into barren wastelands.

History
Sandros was first seen at the beginning of the film fighting Ultraman Cosmos and eventually wins as Ultraman Cosmos retreats to Earth. While traveling in space towards Earth, Samdros sends Scorpiss to wipe out the humans and Ultraman Cosmos but Scorpiss gets killed by Zone Fighter and Ultraman Cosmos, Sandros arrives on Earth and fights the two aliens. As he was going to kill them, Godzilla saves them by pushing Sandros away with the Atomic ray and battle Sandros and takes the fight on Mount Fuji. Sandros seemingly beats Godzilla, but the monster king won't lose to the space monster and finally kills Sandros with his nuclear pulse which completely obliterate the space monster, ending his reign of terror once and for all.