Why did Santa install a new heating system at the North Pole?

Because the elves were always feeling a 'draft'.

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

Because they wanted to Claus for better working conditions

Why did the mischievous reindeer get sent to the principal's office?

He was caught stag-ing a prank!

Why did the gingerbread man go to the doctor?

He was feeling crumby