What am I?

I exist in life but not in death. You can’t have fun without me. What am I?

related riddles

I live in the corn, and my job is to deter. Free from pests your crops I assure. What am I?

With three eyes and a black as night, I frequently knock down ten men with a single strike! What am I?

I have roads but no pavement, rivers but no water, and cities but no buildings. What am I?