Answer:
With three eyes and as black as night I frequently knock down ten men with a single strike!
My days are numbered.
I am easy to see but no one likes looking at me. Without me there would be no you. I can make you complain or make you happy. But you almost always take me for-granted.
Why are there no living cats on Mars?
I can be entertaining until you realize some pieces have been lost.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.