Christopher Nash Elliott is an American actor, comedian, writer, director, and author, known for his surreal sense of humor. He appeared in comedic sketches on Late Night with David Letterman (1982–1988), created and starred in the comedy series Get a Life (1990–1992) on Fox, and wrote and starred in the film Cabin Boy (1994). His writing has won four consecutive Primetime Emmy Awards. His other television appearances include recurring roles on Everybody Loves Raymond and How I Met Your Mother, starring roles as Chris Monsanto in Adult Swim's Eagleheart (2011–2014) and Roland Schitt in Schitt's Creek (2015–2020). He also appeared in the films Groundhog Day (1993), There's Something About Mary (1998), Snow Day (2000) and Scary Movie 2 (2001).

Late Night with David Letterman is an American late-night talk show hosted by David Letterman on NBC, the first iteration of the Late Night franchise. It premiered on February 1, 1982, and was produced by Letterman's production company, Space Age Meats, and Carson Productions. Letterman had previously hosted his own morning talk show on NBC from June to October 1980. The show's house band, The World's Most Dangerous Band, was led by music director Paul Shaffer. In 1993, Letterman announced that he would leave NBC to host the Late Show with David Letterman on CBS. The final episode of Late Night was broadcast on June 25, 1993. The series has continued as Late Night with Conan O'Brien, Late Night with Jimmy Fallon and Late Night with Seth Meyers.