This is SO COOL. How you reversed the normals on the mouth is brilliant and works wonders! I would love to animate your characters!
Amazing work Parag. Though Im from the non gaming field, could still appreciate the beautiful ..perfect work done by him. Kudos to u dear Parag.
Have a look at a free set of smart materials for Substance Painter by Aleksey Kudryavtsev. The pack features four different surfaces that you can use for all kinds of projects.
Substance Painter smart materials pack:
Wood, Antique Nielloed Silver (added few alphas in ZBrush just for better representation), Ivory and Ice (faked by Emission channel).
Check out another pack of 20 materials from the artist for $5 here.