Every once in awhile, you have to indulge in these cutesy little web tools. This one takes a passage you've written (a blog entry or paper is suggested over tweets - unless you want to be E.E. Cummings) and compares your writing to prominent authors, based on a textual analysis of your writing style.
Hat tip Bookworks of Albuquerque
I write like Chuck Palahniuk. Proof: https://iwl.me/s/2b568272