Agara (TV series)

Agara is a Japanese/American animated Kaiju series that permeires on Cartoon Network.

Synopsis
Many years ago during the Feudal period of Japan, a race of aliens created a giant monster named Agara to protect the Earth as the creature laid dormant. Years later, an evil alien plans to takeover the Earth with an army of monsters, Agara awakens from his hibernation to save the planet.