Destoroyah (Godzilla: New Age of Monsters)

Destoroyah is a Oxygen Destroyer mutant crustacean Kaiju from Godzilla: New Age of Monsters. He was created by the exact weapon that killed the original Godzilla.

Origin
Destoroyah was originally a colony of crustaceans from the Precambrian era. By the time when the Oxygen Destroyer was first used in kill the first Godzilla, they were mutated by the chemical and have evolved ever since.

History
A scientist took samples of a red solid which was proof of Destoroyah's exist. They escape the lab and devouring the fish at the aquarium.