Chris Pratt, Jimmy Fallon, The Tonight Show Chris Pratt is looking for his doinker. The Passengers star visited the Tonight Show set Tuesday to get into the holiday spirit. While donning a Santa Suit, the actor was on a mission to recover a missing toy at his workshop?and the culprit was elf Jimmy Fallon. As their segment of Mad Lib Theater played out, Pratt and Fallon had an eccentric group of words to play with, including "pickles, "gerbils," "spanking" and Pratt's personal favorite, "the nad."