Mazal tov from the entire YW Coffee room family (you know who you are). Before you take on a new persona two points
a) Many yeshivos are still called by they city of origin even though they are far from it (The Mir is no longer in Poland, Ponevitch is not in Lithuania etc.) You can always still be CTLAWYER wherever you are.
b) even after you take on a new name you will likely share the same issue as many other celebrities and will be known by ____, formerly known as _____ (think Prince, Kanye, Twitter……)