Who are you? Who, who, who, who?

The House Without Clocks is a place of prostitution. Each resident has a peculiar characteristic or ability, such as vibrating of voice to induce pain or pleasure, imitating a corpse, and changing facial features to resemble anyone. All may come in handy in such a house.
For me, as an artist, it was a whole challenge to grant physical presence to these fictitious and charismatic characters.
These are the designs for two of them: Book and Foral Yatt.
If you don't know them, why just don't take a look to the books? You can still find them at http://tinyurl.com/5gz3h3