"I brought fun by the gallon to our pal Jimmy Fallon," the "Gutfeld!" [and self-proclaimed king of late night] said on Friday night's monologue. "It went so well all the way home I could not stop talking about it with my Uber driver [displaying a picture of "Late Show" host Stephen Colbert.

FOX host Greg Gutfeld made an appearance on The Tonight Show With Jimmy Fallon Thursday, marking a surprising political crossover just weeks after President Trump roasted Jimmy Fallon and other left-leaning late night hosts following CBS’ shocking decision to cancel The Late Show With Stephen Colbert.