Why did the Christmas tree go to the doctor?

It was feeling a little pine-ing for some attention!

Why did Santa give his lead elf a special ergonomic chair?

He wanted him to feel elf-evated in his position.

Why did Santa get an assistant?

He was tired of claus-trophobia in his office.

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

Because they wanted to clause for better working conditions