Answer:
I am constantly overlooked by everyone but everyone has me. What am I?
You are my brother, but I am not your brother. Who am I?
What has 4 fingers and a thumb but is not living?
I am the ultimate killing machine used not once but TWICE I can be made by humans.
I have hands but cannot clap
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?