one way is to simply go through lists of people you admire, living OR dead, and find one that 'fits' you. Practice writing it, think of all the nickmanes it could generate...and begin...

Man in court: "Judge, I'm tired of my name...I want to change it."
Judge" So, waht is your name?"
Man in court: "Harold T. VonBlooperstein
Judge: "Well, I can ceratainly see your problem. What would you like to change it to?"
Man in court: " Ralph T. VonBlooperstein"