Answer:
I am constantly overlooked by everyone but everyone has me. What am I?
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
I'm a word that's hardly there. Take away my start and I'm an herbal flair. What am I?
A prisoner is told 'If you tell a lie we will hang you if you tell the truth we will shoot you.' What can the prisoner say to save himself?
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
Give it food and it will live, give it water and it will die.