I've had my times with pixel art, I'm extremely dissapointed with how I keep failing on these. I took a look at some of the tutorials on this site. I can bet that I have a lot of "banding" and "jaggies in these as well as the horrible outlines. 

This is just some of the Mugshots from my RPG game.



and this is my Battle Character from 011-013. Not satisfied at all.



I hope to learn a lot from this site and to reach my goal. Any pointers?