Answer:
Fred and Wilma's child, named after a stone.
There are two fathers and two sons. They walk into a candy store and each buys a candy bar for 50 cents. The total for all of the candy bars was $1.50. How is that possible?
What asks no questions but requires many answers?
What bear has no ear?
I am green and ugly and come out at night with a crumple old broom. Who am I?
I appear in the morning. But am always there. You can never see me. Though I am everywhere. By night I am gone, though I sometimes never was. Nothing can defeat me. But I am easily gone.