OP has it all wrong but while we're on the subject of Santa Claus and the wonders of Christmas. Let Rhae tell you a tale of tales!
You just have to believe. Beeeeeelieeeve.
There was once a great orc by the name of Ner- uhh, lets call him... the Grinch. Having made a deal with the devil, the Grinch inevitably doomed himself to a fate worse than death. Having a small heart was the least of this Grinch's worries... instead, his heart, along with everything else was ripped apart from his body. Over and over and over and over annnnnd overrrrrrr AND OVER! Ehem, this Grinch did not die, no. He became the Lich King, forget having a small heart, he had no heart! It was just... gone! Woosh! Ka-BAM! GONE!
This Lich King gathered an army of zombies, noooo, children. Not the entire WoW subscription base, haha, kids these days. Now, let me finish! He gathered this army of zombies and took over Northend, the farthest reaching part of the world. It was a cold, barren, wasteland full of walrus people, cow people, spider people, and of course, dwarves. Yeah, I don't know either.
So, as the Lich King expanded his rein over Northrend (aka, the north pole) he came upon a secret place. Having thought it housed a great power, the Lich King slayed it's population and raised them all as undead. Gnomes... lots of gnomes, zombie... worker gnomes? And a fat man, a fat man in a red suit with a fondness for cookies, milk, annnd well ho ho- You kids are too young for that language. It was a secret place indeed... a secret workshop, if you will. It was a place of wonder, magic and... toys! Yes, toys. The gnomes built some of the worlds most sought after toys like...
The Mini Meat Wagon with fully operational catapult and mini corpse carrying capabilities, perfect for the little necromancer in the family!
"Heyy now, Timmy! Watch it with those plague barrels, you. Haha."
The Make Your Own Lich Kit, the Lich King has tasked you, his tiny minions to retake his father's urn, store everyone's favorite lich, Kel'Thuzad for his journey to Quel'Thalas for his rejuvenating spa retreat in the Sunwell. Must be ages 10 or older to reduce the great elven kingdom of Quel'Thalas to rubble, scaring it's people forever thus completing the quest to bring back everyone's favorite lich, Kel'Thuzad. Resistance is expected, phylactery not included, undead army sold separately.
Your very own Pet Abomination, he... or she... uh "it". It is made up pieces of people, places, and things. It'll be your bestest friend. It may even eat those you don't particularly like.
"Thanks pet abomination, yeah!"
Disclaimer, while not prone to eating homework, Pet Abomination may consume loved ones, "unexpectedly".
As well as manyyyy other, wonderful, wonderful toys. Some of which, having been so wonderful, annnd well, some lawsuits and recalls I can't actually discuss here.
Seeing the children enjoy these toys, the Lich King smiled with unexpected glee. He could feel something, inside himself, what could it be? Why, his heart, of co-
Just then... "ARTHHHHASSSSSSSSSSSS!" a man screamed, it was Tirion Fordring. He decapitated the Lich King with one swift swing of the Ashbringer. The happiness and joy Arthas had felt had weakened him, making him vulnerable to a predictable story ending.
The moral of the story? Don't ever be happy, kids cause once you're happy, you have to die. Once Arthas found joy and happiness, it was inevitable that I, the story teller would kill him off just to spite you, the viewers. It's good story telling and people lovvveee when you do that.