Answer:
Two year-old children who throw tantrums get this nickname. So did the tsar "Ivan."
Brings you May flowers
Once you know it exists, it no longer exists. What is it?
What comes with your car, but travels more than your car?
The edge of earth and bread.
What never gets any wetter no matter how hard it rains?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?