User blog comment:General MGD 109/Who made them?/@comment-3045936-20120107221238

They are many theories. In real life Mythology and I will be using Greek and Norse Paganism. The universe and the gods came from their beliefs on Chaos. The formless dark abyss or void that existed before time. In Greek Mythology Chaos can be seen as a immortal being within the dark abyss. But that is may not be the case in Supernatural. http://en.wikipedia.org/wiki/Chaos_%28cosmogony%29 is more profound in sight. And on that page Ginnungagap is the Norse version.

Now on to other theories. No Supernatural salute has gone to the credit of the pagan deities creation. However some believe that their like God, Death, and maybe Even just came to exist or imaged themselves into existence. Kali stated that God was the only god not theirs though doesn't mean god didn't make them. But if that is the case maybe that is why there shouldn't be other deities.

Think about it why God may not personally have created everything. Everything came from his creations. Like yes Lucifer made Demons but the demons were human souls and Lucifer and humans were made by God. And by the logic God may not like anything not made from something he created.