Red Core vs Blue Core sketch

Astro Boy fighting the peacekeeper.

This is an idea I have, that I might do later in watercolours. I was also going to add red and blue to the picture. Tell me what you think.

Update: 25th July 2010

I have now finished the watercolour version.
[link]§ion=&global=1&q=red+core+vs+blue+core#/d2txwhf (To see the colour version, click here)

Astro Boy (c) Osamu Tezuka