Answer:
What side of a cat has the most fur?
I am one small little piece of paper yet sometimes hold lots of value. I am all you need to get in to big events but will cost you. I am an important part of travel. And if lost you're not coming.
I build bridges of silver and crowns of gold. What am I?
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
Canine children.
What made Cyclops quit teaching?