The serpent wrapped around the neck is a cosmic entity, just as Shiva.
The Principalities should not be confused with either gods or cosmic entities.
Death is also considered to be a cosmic entity.
Exactly how many true cosmic entities exist is unknown, and more keep being revealed as time passes.
The following is a partial list of the known cosmic entities and their functions:
Apparently considered a cosmic entity with control over time.
Oblivion is a monstrous cosmic entity that consumed everything in its path.
Union with the cosmic entity was not for him.
The bands' true nature and origins are revealed to him by the cosmic entity called Eon.
She follows a lead but meets the Elf instead and they go on to meet cosmic entities.