16 Good TV Characters Who Went Bad

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There are plenty of villainous characters on TV. You expect these bad guys to do dastardly things and antagonize everything. For every bad guy, there's a good guy waiting in the wings to bring him down. But sometimes those two characters become one in the same, bending everything you thought you knew about a character.

Good TV characters take a walk on the bad side all the time. Whether it be over the loss of a lover, the need for revenge, or something ~magical~, there are plenty of reasons why good guys turn over to the dark side. Some of them make their way back to their roots, but some are seduced by the evil side of things and decide that's who they are…