Celestials

Celestials, or celestial beings, are sometimes being credited as the "creators of the universe". Other times it is said that the universe created them. Scholars suggests that the latter is most propable.

Celestials can become like gods in power if they are worshipped. It is unclear though if the celetials are actually gods themselves.
It is said that they will take over human bodies. It is not common for this to happen to human bodies, but it has been documented.

Scholars are giving it a 50/50 chance if they are actually otherworldly.

Known Celestials:

Urn
     Half-celestial

Caligor
     Half-Celestial