Answer:
Two year-old children who throw tantrums get this nickname. So did the tsar "Ivan."
The more you take away, the bigger it gets.
It can be clear like water, but it burns like fire.
Who has married hundreds but always been single?
How many bricks does it take to complete a building made of brick?
What language does a billboard speak?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?