Matthew Gregory Besser is an American actor, comedian, director, producer, writer, and one of the four founding members of the Upright Citizens Brigade sketch comedy troupe, who had their own show on Comedy Central from 1998 to 2000. He hosts the improvisation-based podcast Improv4humans on the Earwolf podcasting network.

Joe Besser was an American actor, comedian, and musician, known for his impish humor and wimpy characters. He is best known for his brief stint as a member of The Three Stooges in movie short subjects of 1957–59. He is also remembered for his television roles: Stinky, the bratty man-child on The Abbott and Costello Show, and Jillson, the maintenance man on The Joey Bishop Show.