Kickass [Achromatic]

The little sea bully.

This piece is for an art jam session with the title:
"Using achromatic colours, create a picture of a short person who kicks tremendous ass in the ocean. Theme : Odor"

Random as hell, I know! I tried my best to create something out of it.
Coloured version here: andreagoh.deviantart.com/art/K…

PS: First try on Dynamesh!!! [yes i know it's pretty late] It's so fun!!