Engineer Mark Rober and "Sesame Street" star Elmo chat with USA TODAY's Ralphie Aversa about their new special "Merry Giftmas ...
Sesame Street resident Elmo and engineer Mark Rober stop by USA TODAY to chat about the holidays and their new Netflix ...
However, when fan favorite Marshmallow (now voiced by Jari Jones) got on the makeshift stage and sang a slowed-down version ...