Why did Santa's elves go on a strike at the North Pole?

Because they wanted to elf-improve their working conditions!

Why did the North Pole's computer network keep crashing?

It was suffering from too many 'frost-bytes'!

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

Because they wanted to clause for better benefits.

Why did Santa's elves start taking extra breaks at the North Pole?

Because they wanted to sleigh the competition in the relaxation department