Answer:
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
What has 4 legs in the morning, 2 legs in the evening and 3 legs in the night?
A word I know, six letters it contains. Subtract just one and twelve remains.
I follow the orders of only two. I respect the work of only two. I am in constant battles with many, Though one surpassed them all. With forces joined, We created hell, Until our mutual enemy fell. Who am I?
I have a neck but no head. I have a body but no arm. I have a bottom but no leg.
When is it bad luck to see a black cat?