Why was the North Pole's HR department so busy?

They had a lot of elves on the shelf.

What's an elf's favorite type of music?

Wrap music!

Why did Santa's elves start a North Pole union?

Because they wanted to clause for better benefits.

Why did Santa's reindeer go to the North Pole's IT department?

Because they had a lot of 'deer'-pending software updates to install!