I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

How many times can you subtract the number 5 from 25?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

I don't get anymore wetter, no matter how much rain falls on me.

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?