I am a Goth Inside But I Need Help Letting my Gothic Personality out!?

I am 13 and have always been goth inside but have never had the confidence to show what i really am i want to but i just don't know how to do it or how to deal with the teasing i shall get as i am sure there will be some any answers are appreciated i know who i am. i just don't know how to become that person. right now i feel like no one because i cant be who i want to be. i need to show how i feel and i need to show who i really am.