Wedge is the most awesome original name ever.
I've also gone by that aliasis Captain Ahab, Captain Ahahb, Sergeant Peppers, Groucho Marx, Mack Twain, Dan Bloomberg and Franz Kafka. I basically change my name every time I log on the TBM forums, but I use them in other places too. Sergeant Peppers (might just be pepper) is my wikipedia account. Captain Ahab was my blockland central account but now I use it on EA, autodesk and a few other communities.
Wedge is the name I put the most time into thinking about, especially since it was the first name I ever came up with online. Now I use a pretty simple formula of remixing and rehashing popculture and historical names. They're pretty hilarious (to me only).