Mixed media, vector and digital paint. See the 'zoom' view please.
Thank you for your support, your feedback and critiques are always welcome! Beautiful pose reference for this provided by Marcus Ranum. A set of free wallpapers of the illustration is available here.
I wrote a quite extensive tutorial on some of the coloring and other techniques I used, which can be viewed here. Includes working .psd, and pages of text and screenshots, etc, check it out.
Poster prints available at Redbubble.