It might be a custom edit of an existing font

This seems one of the “new cool styles” of custom fonts. See for examples and suggestions:
http://typophile.com/node/86898
http://typophile.com/node/66823
http://typophile.com/node/86366
http://typophile.com/node/83066

And some comments: http://typophile.com/node/76163

thanks!