Graphics.com recently posted an article based on a section of the book Character Design for Graphic Novels.
It features some of the process creator Ryan Estrada uses in creating the Aki Alliance characters and comics. Go check it out!

Aki Alliance hasn’t been updated in a while, what has Ryan Estrada been up to these days? I’m calling him on the Boxphone right now…
[Ring… Ring…]
Hello?
[Heavy breathing.]
Tyler, is that you again? I told you, the Boxphone is only for emergencies!
Umm… this isn’t Tyler… this is um… this is the comic police, we’ve heard reports […]