Best riddles with simple answers

Although I may have eyes, I cannot see. I have a round brown face with lots of acne. What am I?

What do you call a guy who's born in Columbus, grows up in Cleveland, and then dies in Cincinnati?

What do little ghosts kids eat for dinner?

I know a word which reads the same when written forward, backward or upside down. Do you?

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?