So guys, now that we've gotten your favorite jedi out of the way (and in case you didn't know, mine from the movies is yoda or obiwan and from the comics and stuff my favorite is Quinlan Vos), let's talk about your favorite sith! My favorite is either Maul or Vader. Maul has a cool fighting style and looks sweet but Vader's just awesome all around.
Movie Sith:
Count Dooku
Darth Sidious/Emperor Palpatine
Darth Vader
Darth Maul
Other Sith:
Exar Kun