He does it so hard, and almost gets done harder
I have to admit that I'm not a huge fan of Deadpool. It's not that I dislike his humor or self-aware, fourth-wall breaking schtick. Rather, it's that I feel too few people can actually utilize said schtick into anything interesting. Too often I feel like there's a huge reliance on his self-awareness and eccentricities as being comedy in and of itself.
YouTube cosplayer D Piddy, however, is one of the few. Great work Piddy, your rendition of the Merc with the Mouth had me from start to finish.