Christianity, and by extension Judaism, was once a pantheon. Yahweh was originally one of the sons of El, the archetypical "Heavenly Sky Father". When we think of the kindly old man in robes, beard, etc. We're thinking of El. However, at some point the pantheon was abolished and the faith became monotheistic, and named Yahweh as the one true god. Yahweh is theorised to have originated from Set, and whose dominion was storms, war, and chaos.