Here are a few doodles I drew.
It's me, Klorox!
http://www.brickshelf.com/gallery/spong ... ox_art.jpg
a standard minifig
http://www.brickshelf.com/gallery/spong ... _art_1.jpg
a portrait
http://www.brickshelf.com/gallery/spong ... _art_2.jpg
what do you think?