Nice drawing with subtle linework which give this work a sort of graphic design look.
Not quite sure what that flying green substance is ;)

Nice and original concept! Never thought of using watercolors for this cotm...
Here my submission: http://www.newgrounds.com/art/view/harmtheharmful/art-takes-courage

Nice drawing! The proportions are a bit odd but I like the concept.
The little monstro sign in his right ear is a funny detail.