The sketches below are early drawings of the variety of looks your character will be able to take on. Their faces are darkened because they'll assume your identity. Thus you will be yourself and not some of the book characters.
It's known you'll have a choice between 24 different unique characters in all. It is not clear if each line will be able to choose 24 or if it means each one of the 12 lines can choose 2 each.