Answer:
I am a fire's best friend. When fat, my body fills with wind. When pushed to thin, through my nose I blow. Then you can watch the embers glow.
What can be heard and caught but never seen?
A certain wizard resided in a city made from this gemstone.
Goes over all the hills and hollows. Bites hard, but never swallows.
A building where people and stories are on stage
What language does a billboard speak?
Difficult
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?