3D Superhero Character Design

We are looking for 2/3 illustrations of a superhero character to be placed on our website. Created for a children's charitable campaign, the character will need to be clean, simple, and 'life-like'.

Examples of what we're looking to achieve:
http://www.freewebs.com/superhero_max_101/spiderman.jpg

http://2.bp.blogspot.com/_CYNCEpSCMK0/S-XKSZHlmFI/AAAAAAAAAys/deVKangFwc4/s1600/iron-man-wallpaper-2-2032_0.jpg

http://blog.al.com/techcetera/2008/04/wp21024x768.jpg

http://www.freakingnews.com/Obama-Superhero-Pics-61470.asp

Brief:
1. logo / symbol shape & colour scheme will be provided
2. character costume to be along these lines with the same colour scheme: http://www.box.com/s/0a8540b94f4b2470f9e5

We will need more illustrations as the project progresses, so please look at this as an ongoing project. Credits for the graphics will be linked to your website.

Regards and thanks for looking