Hey everyone I am new here and wanted to get suggestions on my cartoon turtle guy. Here a the ref pics i drew and some 3d stills from maya.

Ref Pic
https://img67.imageshack.us/img67/795/character2ab.jpg

SubD
https://img112.imageshack.us/img112/367/pic8oc.jpg

Poly
https://img101.imageshack.us/img101/3203/pic10rz.jpg

Thanks for any help. I am new to modeling and trying to improve