CL4U5H (for Santa hat and red clothes in the Character Customizer)
TYH319 (for White Beard extra)
After entering these, go to the Character Customizer and choose the appropriate clothing, as with the first code you entered, you unlocked those. Choose a weapon for Santa. Choose whatever one you want, but the red or green lightsaber is recommended to fit the jolly color. Then, after you finish, put on the Beard Extra and you have LEGO Santa!! Happy Gaming!!!