I took the pictures of each bird against a different back round so hopefully that helps. I had read somewhere that the top part of the comb that is up in the crest area is different on boys and girls. They boys being more squared with almost 2 points. And the girls coming more to just one point. If this is true than Pouf is a boy and Tootsie and Pepper are girls. That is also what behaviours are suggesting as well. I didn't know any of the specific characteristics to look for but I am learning. These little puffy cuties are different than the big chickens and they are super fun.
eta: OH! Also, any opinions on what color you would call them?
They would be considered blue.