As a counterpoint to shows like the ones you list (where they revel in showing terrible, yet likable, characters doing terrible things), the show "Mythic Quest

As a counterpoint to shows like the ones you list (where they revel in showing terrible, yet likable, characters doing terrible things), the show "Mythic Quest" flips and shows terrible characters struggling with trying to change within themselves, and how it's a slow, discontinuous process where it's possible to both backslide and recover.