As a working member of Santa's workshop, you are a master in at least one craft. You gain proficiency with one artisans tool, and begin with it in the game.

Your Dexterity  score increases by 2, and Intelligence by 1.

Christmas Elves mature at age 50, and marry at 70 years or later. It is still unknown whether or not they can actually die. However, ass they grow older, they often sport beards and flowing gray hair.

Whether grumpy or not, you are almost certainly good at heart. Most fall on the lawful side of life, because despite the impish pranks, you understand that order is necessary for greatness. 

Christmas Elves are between 3 and 4 feet tall and average about 40 pounds. Your size is Small.

Your base walking speed is 25 feet.

You have advantage on all Intelligence, Wisdom, and Charisma saving throws against magic.

You can speak, read, and write Common, Elvish and  Gnomish.