I have an eye but cannot see. I am stronger and faster then any man alive but have no limbs. Who am I?

A Hurricane

At the sound of me, men may dream
Or stamp their feet,
At the sound of me, women may laugh
Or sometimes weep. Who am I?

Music

I give milk and have a horn but I’m not a cow? Who am I?

A milk truck

I have four legs but no tail. Usually I am heard only at night. Who am I?

A frog

I killed one fourth of mankind. Who am I?

Cain (who killed Abel)

Some try to hide, some try to cheat but time will show we always will meet. Try as you might to guess my name, I promise you’ll know when I claim you. Who am I?

Death

I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help yet many people are afraid to let me help them. Who am I?

I am a dentist