It's my 3D interpretation of René Córdova's art. During a masterclass I learned how to make facial blendshapes in maya without rigging my character. Here are examples showing the differents blendshapes I made for the face.
Concept by René Córdova
( https://mir-s3-cdn-cf.behance.net/project_modules/disp/a0514247714275.56081499aad57.jpg )