Answer:
What do you call a fish with no eye?
I describe a toilet cleaner as well as one of Santa's reindeer
Many people own a copy of me. Without me the world would fall.
I am bought by the yard but worn by the foot
Why are there no living cats on Mars?
What can you lose that will cause other people to lose theirs too?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic