Funnily enough, in a lot of canons, Satan is basically the good guy, but given a particularly awful job because he overreached in his attempts to be good and to make things fair. He's a lot like Prometheus.
why are the deities that are shown as bad or evil always the ones being cool-
like
hades did his job and didn't cheat on his wife [even tho persephone was his niece-]
satan chillin