5 TV Characters Who Were Way More Interesting After Becoming Villains

Some of TV's most impressive villains don't begin the series as antagonists. They start out as heroes and eventually evolve into cold, calculating, or ruthless villains, which completely transforms their arc and the shows around them. Whether driven by ambition, desperation, or trauma, these once-heroic characters become far more compelling when they turn to the dark side, raising the stakes and providing some of the most dramatic episodes of their respective TV shows.