Mm the character belongs to my friend so *cough*
I tried shading before and it never really worked but ig I could try- and the same goes with proper anatomy-
Overall pretty good. All I would say is shading, and maybe try and plan out the color scheme in advance. The red and blue seem out of place and a little last minute. I like that you used neutral colors for the coat and eyes, and used colors that popped for the accents.