He has now won 15 titles, which is a record.
Roger Federer has 17 career grand slam titles.
Roger Federer currently holds 16 Grand Slam titles, the most collected by a men's singles player to date.
There are over 60 questions about Roger Federer on WikiAnswers.
According to Wikipedia (refer to the links, below), as of May 29, 2009, Rafael Nadal has won six Grand Slam titles, and Roger Federer has won thirteen.
Fed-ex,(Federer Express as in he delivers results you want) R-Fed,(His name abbreviated) Raja,(Means Kings) King Federer,(As in he's the king of tennis) Roger Betterer,(As in he's better than the rest and it's a play on his name) Swiss Maestro,(Maestro is Italian for master. He is Swiss and many say he plays like a master.) and Darth Federer(From when he wore his all black get-up and seemed like he was ready to destroy competition).
Roger Federer has been to many finals, but as of September 6th 2009, he has not yet made it to the US Open Finals.