First impressions/Feedback?

to put it short, I have these character designs from a project that I was working on a few years back, and I recently went back since I think that I was onto something with these designs, but I do wanna know if I should change up some things before drawing them new reference sheets !

to put it short, I have these character designs from a project that I was working on a few years back, and I recently went back since I think that I was onto something with these designs, but I do wanna know if I should change up some things before drawing them new reference sheets !