"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.

Conservative comedian Greg Gutfeld made his debut appearance on "The Tonight Show" with Jimmy Fallon Thursday, Aug. 7, creating a rare connection between the largely conservative voices at Fox and a late-night show that doesn't mince words on Trump.

Jimmy Fallon joked and laughed his way through a Tonight Show interview with Fox News late-night rival Greg Gutfeld, who recently tried to reclaim the word “Nazi” as his own.