Skrillex has become quite a household name. With 3 Grammys now sitting on his shelf, he is a force to be reckoned with in the EDM community, and he is still in his early twenties. That's crazy. I myself am a huge fan of his, and cannot get enough of his grimey, highly processed sound. Here are two articles I have written for macProVideo describing how to replicate some of the sound design techniques that Skrillex employs:
Try these out in your next productions, you never know, it may induce some crazy grimey-electro-house-dubstep-craziness!