Don't you like your own name then? or you parents for that matter?
Well I think you should follow your dream, but it's not as easy as just to take an airplane and go. You have to get permission from the US government to live there. Probably you'll only get to live there for a few years, and this is only if you can get work easily or if you already paid for your education there, or if your parens can support you. So you should really plan something like this! Or did you already?
That or you should marry an American man, haha, then you are also allowed to stay in the USA.
And don't grow up too fast i'd say, you'll just be young for a few years, grown-up you'll be the rest of your life!