Answer:
The weapon of choice to create the biggest shock.
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.
When I get closer my tail grows longer, but when I go away my tail leads the way.
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
The more of it there is, the less you see.
I am your mother's brother's only brother in law. Who am I?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?