Answer:
I am carried by mad animals.
You write on me and secrets I can keep in places never seen. I spin like a top. Though stiff as a board, I'm often described like a mop. What am I?
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
Where do fish keep their money?
I am black, white, and read all over. What am I?
What language does a billboard speak?