Like no not the emo or goth stuff but i LOVE the fact that they have marvel shirts and Pokemon loot minecraft hoodies doctor who stuff and My little pony stuff i don't know where to get any other stuff like this only those to places is there a place where i can get stuff like this? I Really WANNA KNOW.
Stores like Hot Topic and spencers?
Jessthekiller
Ebay?
Thor
Amazon
Eddie
Think Geek is a site that has loads of stuff like the things you listed.
Look on etsy for custom made things.
Elizabeth Sprite
We Love Fine has a ton of pop culture t-shirts, especially MLP. That may interest you.
Andrew