Fun Riddles

Question: I stare at you, you stare at me.I have three eyes, yet can't see.Every time I blink, I give you commands.You do as you are told, with your feet and hands.What am I?

Question: What is the only question you can't answer yes to?

Question: What am I?

Question: With pointed fangs I sit and wait, with piercing force I serve out fate. Grabbing bloodless victims, proclaiming my might; physically joining with a single bite.What am I?

Question: Alone I am 24th, with a friend I am 20. Another friend and I am unclean.What am I?