Mark Hamill recently posted this on Twitter to pay homage to his iconic portrayal of the joker for Christmas day, and we just had to share it! Watch below!

🎶”Jingle Bells-Batman smells! Robin laid an egg!” 🎶 I remember singing this at recess in elementary school. If someone had told me one day it would be my job to sing it for a paycheck, I would have said they were crazy or joking (or both)!🃏#MerryXMasEve

https://youtu.be/lFBkAEz4aI8