Are there myths about evil gods?

Answer 1

The ancients didn't see good and evil the way that we do, so they didn't separate their pantheons into "gods of good" and "gods of evil". Their gods were allegorical, meaning that they represented physical forces, emotions or ideas. Apollo, for example, was not only God of the Sun, but also of poets, archers and doctors. Some gods, like Set and Mars, were not openly worshiped but were still revered out of fear of their power.

That said, in most mythologies, the stories represent both some allegorical truism and a linguistic riddle. Example: in the myth of Apollo and Daphne, where Apollo falls in love with her, but she not him, and she asks her father (a lesser river god) to help and he turns her into a Laurel tree, we could easily assume that it's about the reason Apollo loves the laurel tree. In truth, it's an explanation about why the morning Dew disappears just as the sun rises.

Some myths even have gods acting in both loving and destructive ways, with Zeus being the worst offender in that region. It's only in the Hindu and aboriginal mythologies that deities are actually described as Evil or Good.