This is a nickname given to a group of comedy actors who have appeared together in many of the highest-grossing comedy movies since the mid-1990s. The group is usually considered to include, apart from Ben Stiller, Owen Wilson, Luke Wilson, Will Ferrell, Steve Carell, Jack Black, Paul Rudd, and Vince Vaughn. The term was used by USA Today in a June 2004 story and was soon picked up by other media outlets. What are we referring to here?