Actually the hair could use a bit more defining
And the clothes are a bit....weird,somehow it looks like armor,but at the same time it looks like a Manteau....
And feet,well....I have no comment,I also suck at feet
Overall - I'm wondering if you ever drew anything past 2nd grade,if you didn't then well,no problem
But if you're really not good at drawing....well,start practising
PS : Mouse drawing?Could explain a lot....