Amandine Pécharman

Amandine Pecharman was the Lead Designer on Season 1 of The Amazing World of Gumball.

Her work on Gumball is featured on her website.

Here are some posings and designs of the characters : http://amandinepecharman.com/001-4/designs/

And some storyboard work for episodes :

http://amandinepecharman.com/001-4/layout-storyboard-posings-characters/