Darths And Droids 2: Should've Gone to Naboo

[Kato]

Not always. The Death Eaters, Batman Begins' Scarecrow, Madara, all of them bad guys.

I don't know about the scarecrow but the Death Eaters were a band of mooks, so they don't count and as for "Madara"... well, I'm alone with my opinion on that one.