Answer:
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
I can sizzle like bacon. I am made from an egg. I have plenty of backbone but lack a good leg. I peel layers like onions but still remain whole. I can be long like a flagpole yet fit in a hole.
I am always hungry I must always be fed. The finger I lick will soon turn red.
What is brown and sticky?
The more you have me the less you see. Shine a light on me and I shall flee.
When is it bad luck to see a black cat?