Stephen Colbert's network, CBS, is hosting the next Democratic debate in partnership with Twitter, and Colbert is excited to see Hillary Clinton, Bernie Sanders, and … that other guy.

"I know it's a double M name," Colbert said in reference to former Maryland Governor Martin O'Malley. "Merkin Muffly. Mister Mister. Mitt Momney. Well, he knows his name and that's the important thing." Mocking Martin O'Malley for being unknown has become a bit of a long-running gag for the Late Show, ever since a Wall Street Journal picture of the three Democratic candidates identified Martin O'Malley as "unidentified man" last week.

The strangest part by far was when Colbert did his baby Bernie Sanders impression — not to be confused with "babies for Bernie." I won't ruin it for you but just know that it involves "the top 1% of babies getting 90% of the binkies."

Watch the clip below: