seen from Italy
seen from Colombia
seen from China
seen from United Kingdom
seen from United States
seen from United States

seen from Brazil
seen from United States
seen from Netherlands
seen from Denmark
seen from Netherlands
seen from United States

seen from Türkiye
seen from Italy
seen from United States

seen from Argentina
seen from Türkiye

seen from India
seen from United States
seen from China
Character Design For Animation - Nate Wragg | CGMA
Art Direction For Character Designers | CGMasterAcademy
Character Demos via Kalen Chock
Visual development portfolio tips
Pascal Campion on Conceptual Design
Visual Development Portfolio Tips by Sony Pictures Imageworks
You should be looking at the visual development work coming out of studios right now. What level of work are they producing? Of course, that will depend on the studio and artists, so you should start researching where you might want to work, and who works there. Look for vis. dev. artists' blogs. Soak up their work. Look for tutorials or tips from them. Here are some helpful sites:
Deja View
Tulptorials
Temple of the Seven Golden Camels
The Living Lines Library
Character Design Interviews
Rad How-To
Chris Oatley
Paperwings Podcast
Books:
James Gurney's Color and Light
Dream Worlds
The Skillful Huntsman
The Art of Layout & Storyboarding
Good luck!