I like the number 1 Kid, but I think you should take the hair shadow color from 1 and 2, and mix them together to get the halfway point and use that.
The shadow in 1 looks a bit washed out, but the hair looks the right color... the hair in 2 looks like the right contrast, but the hair is too dark and too gold...
EDIT: Otherwise, I'm really liking the sprites as a whole.