...an Elf on the Shelf doll!
I have always found the Elf on the Shelf to be creepy looking, yet fascinating.
Retro looking designs will always do that to you.
How else would Santa know when you were sleeping? This little guy/gal (heavily depending on the model you have) will rat you out!
See! What did I tell you!
If you are wanting one, go to the official site located here.
For ideas on how to use your Elf, here's a good link for starters.
The favorite ideas I have seen originate from the Elf causing mischief. I once saw an Elf partying hard with a Krampus figurine. It was pretty epic.