Neither. Skeletor is a thousand times more evil than Darth Vader and Sauron put together. Both of the latter characters have some redeeming qualities. Skeletor however is just evil through and through (christmas special's do NOT count!)

Oh it's gotta be Darth, e-a-s-i-l-y! The light saber, dude, he's got a light saber!
Sauron, hand's down
Very scary fella, plus he has a cooler name.
Paris Hilton. Listen to her singing! And watch her acting! Only pure evil can be that talentless!
Neither. Skeletor is a thousand times more evil than Darth Vader and Sauron put together. Both of the latter characters have some redeeming qualities. Skeletor however is just evil through and through (christmas special's do NOT count!)
There is no signature here. Move along.