To be honest, there's just to much geometry in these models. And despite that there's a serious lack of details and the contours are not right. And the textures are meh. You should try to learn a little bit about anatomy of animals and humans as well as to draw them if you want to be able to model such characters with good end results.
Sorry for not sparing you here, but if you want to advance in something you've got to start handling harsh critiques in a right way and that's by accepting the advice and learning from your mistakes.
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Sorry for not sparing you here, but if you want to advance in something you've got to start handling harsh critiques in a right way and that's by accepting the advice and learning from your mistakes.