The Upright Citizens Brigade is Matt Besser, Amy Poehler, Ian Roberts and Matt Walsh. The 'UCB4' produced their own sketch show, 'Upright Citizens Brigade,' for three seasons on Comedy Central from 1998-2000. During the success of the TV show, UCB opened the Upright Citizens Brigade Theatre and Improvisational and Sketch Comedy Training Center in New York City. In 2005, UCB expanded and opened the Upright Citizens Brigade Theatre Los Angeles and began offering UCB Training Center classes on the west coast.