Things Are Getting Ugly

As dashing intergalactic warriors go, the Butt-Ugly Martians have their shortcomings. There's the discipline thing — the Martians may have been sent by their evil ruler to conquer the earth, but they took the assignment so they could bliss out on the planet's junk food and video games. There's the brains thing — the Martian perspective on life can be dim, dumb and completely impervious to logic. And finally, there's the looks thing: the Butt-Uglies have blue skin, big teeth, and bulging, bug eyes.

But just because they're not pretty, it doesn't mean they're not appealing. When...