Fringe keeps proving over and over that everybody's sexier when they come from a dark, dystopian alternate universe. But it's basically a law of science fiction that the evil twin is always the sexier one.

Fringe's season premiere proved, once and for all, that both Walter and Olivia are sexier in the alt-universe. But it's often true that evil duplicates are sexier than the originals. Because evil is sexy. Here are the 10 sexiest dopplegangers!