William Blake has a very interesting mythology. I only stumbled upon it when I randomly found his "The Book of Urizen" which is basically a creation myth. Has some interesting concepts. Urizen is essentially "stagnant Order" embodied, a being cut of from Eternity. There are many references to "the void" also. I plan on reading The Book of Los and The Book of Athania.
It seems Urizen would be oppositional to the concept of a Chaote, so its hard to view him as "good". But I plan on looking more into it.
http://facstaff.uww.edu/hoganj/contents.htm#ahancont you can read his shit here.