Pen names

Nathan Bransford recently , recommending that unless the reasons are compelling, there is no reason to make use of a pseudonym. 

While I tend to agree, I can't help but think that Mark Twain is so much better than Samuel Clemens.  And so apropos.

And Lemony Snicket is much more fun than Daniel Handler. If you've ever listened to Daniel Handler speak, you know that he's much more of a Lemony Snicket than a Daniel Handler anyway. 

But in general, it would seem to me...