Nevermind the relevance, you have to admire this kid's drive.
Son, ask your parents to sign you up for art classes. You know, easel, charcoal, paper. It'll do you lotsa good for improving your drawing skills. Might be hard at first, but it pays off.
I'd stick with how you went about making the first 'Vault Boy' (right? I got got the name right, didn't i?), and as Wooz said, drawing classes would be full of WIN in your future. Of course, I have no room to talk (can't even draw a decent organic piece...)