Answer:
Who lives in a house with one bedroom, 50 hallways, and ghosts lurking everywhere?
What is the heart of many risks, has a heart, but is not a living being?
There are several different kinds, but the one you pick doesn't do its job. What is it?
Look into my face and I'm everybody. Scratch my back and I'm nobody.
When they are caught, they are thrown away. When they escape, you itch all day.
I am your mother's brother's only brother in law. Who am I?