You should search for gaming/commentary forums, websites etc and try posting your channel there and ask for feedback.On how to be better, you should watch the big gaming channels on youtube like bluexephos, totalbiscuit, robbaz, etc and learn from them how to be better at what you do.

I would consider a namechange. The name scrapydoodles kind of sounds like a 10 year old girls makeup channel.

4chan, post the link in the Video Games boards.

put it on pornhub

My channel is http://www.youtube.com/user/scrapydoodles and i wonder how i can give it a boost i've got only 2 subscribers and i really want to expand. You can also give me tips on how to be a better commentator.