Answer:
My teeth are sharp, my back is straight, to cut things up it is my fate.
Look into my face and I'm everybody. Scratch my back and I'm nobody.
As destructive as life, As healing as death; An institutioner of strife, Just as prone to bless. It is all that is good, Yet with an evil trend; As it was the beginning of things, It can also be the end.
There are two meanings to me. With one I may need to be broken, with the other I hold on. My favorite characteristic is my charming dimple.
What has a spot and is very bright, is sometimes, red, white, blue, yellow or green and is often blinding.
A town has only two barbers. One of the barbers has a nice, tidy haircut, and the other has a shaggy, messy haircut. Which barber should you go to?