Answer:
the answer to this would be difficult. considering all the myths and Legends around the world differ not just in stories but also the characters and their actions. though it's true that most of the myths have an outline of carrying both good an bad characters with their traits of good and evil respectively, there are many fairy tales where the bad character itself turns out to be a hero or one where the hero emerges as a villain.
if you look into the question in a more literary and practical sense, it is possible that you could go with the options of both true and false
