Character Development

So I've been messing around with making a comic book but in order to do that I need characters and to be able to draw those characters over and over again. I've been spending most of my free time drawing some comic book style guys and coloring them. When I was young I would have my mom print out pages with boxes on them and I would make up my own characters and stories and I had a whole binder full of them. I have know idea if I can do that now but I'm going to try.

I'm also trying to get a coloring style down. Right now I'm just laying is some simple colors but I want to try and figure out a way to add some texture without it taking forever. Here is my latest work in progress: