sonic boom and knux vs. shad teaser

dont you hate when you're working on one piece of art another idea pops into you're head and you gotta put it on paper b4 it leaves you're mind....well that just happened to me. as I was working on the sonic boom piece which is almost complete gotta add a few more characters the idea of a knuckles vs shadow image popped in my head especially after seeing the cover of sonic universe total eclipse grudge match that Tracy Yardley done so i did my little dynamic twist to it and of thats not done either so im giving you guys another sneak peek of what im working on