Roughly drew Chelies avatar not to difficult pretty bold lines..
step 2 of 4
This is the disassembled chelie, I used the blue gumbal and used hue and saturation for the major parts, The shapes were created using warp and liquify.. Some dodge and burn to add the shadin and make the definition between the red arm and her chest/ribs..
step 3 of 4
The background is a huge blue gumball, with some natural brushes set to scatter over the top then some gaussian blur added to push into the background.
step 4 of 4
Made the gun out of 4 Gumballs, Dodged and Burned to Add shape and highlights...