Voldemort...the lamest villain ever. Seriously! If you're going to take over the world, why not at least issue your sidekicks a .44 for when Potter and his band of half-baked miscreants manage to break their wands?

...or heck, better yet, why not just give them all shotguns in the first place?

^Mostly kidding, but you get the point. I just...Voldemort never seemed like a legitimate threat to me. Sauron, on the other hand, is entirely terrifying, though I don't think the books do him justice based on what my Tolkien-nerd friends have told me. (you know those people. "Well, if you look back to the First Age when the Silmarilsyada yada...")