Answer:
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
who do you think you know but sometimes you don't
the day before yesterday tom turned 15 next year he will turn 18 when is his birthday
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
If you can spot one of these eastern warriors, it means they're not doing their job right.