Tertec: Starlight Saga
A Legendary Pokemon called the Original One. It brought the universe into being and protects Earth from world-threatening events.
Soon after mankind appeared on Earth, it has been forbidden from direct intervention in this universe’s affairs by the Voice of Life, who preferred independence from Arceus and used The Hero as it’s defense mechanism instead. However it does act through The Thousand Hands, a group of followers who ensure that nothing which could threaten a Voice of Life crosses borders with this universe.
Arceus resides in the Origin Sphere, a dimension that does not come into contact with this universe, but does touch the Unown Dimension. Any dimension that is cut off from Arceus entirely tends to become dark and dead, eventually withering into nonbeing.