in response. Influence and legacy Cultural Commentary made in episodes has been interpreted as statements Parker and Stone are attempting to make to the viewing public, and these opinions have been subject to much critical analysis in the media and literary world within the framework of popular philosophical, theological, social, and political concepts. Since South Park debuted, college students have written term papers and doctoral theses analyzing the show, while Brooklyn College offers a course called "South Park and Political Correctness". Soon after one of Kenny's trademark deaths on the show, other characters would typically shout "Oh my God, they killed Kenny!", followed by another yelling out "You bastard(s)!"—these lines were usually said by the characters Stan and Kyle, respectively. The exclamation quickly became a popular catchphrase, while the running gag of Kenny's recurring deaths is one of the more recognized hallmarks among viewers of modern television. Cartman's exclamations of "Respect my authori-tah!" and "Screw you guys ...I'm going home!" became catchphrases as well, and during the show's earlier seasons, were highly popular in the lexicon of viewers. Cartman's eccentric intonation of "Hey!" was included in the 2002 edition of The Oxford Dictionary of Catchphrases. In the season two episode "Chef Aid", attorney Johnnie Cochran uses what's called in the show the Chewbacca defense, which is a legal strategy that involves addressing plot holes related to Chewbacca in the film Return of the Jedi rather than discussing the trial at hand during a closing argument in a deliberate attempt to confuse jurors into thinking there is reasonable doubt. The term "Chewbacca defense" has been documented as being used by criminologists, forensic scientists, and political commentators in their various discussions of similar methods used in legal cases and public forums. Another season two episode, "Gnomes", revolves around a group of "underpants gnomes" who, as their name suggests, run a corporation stealing people's underpants. When asked about their business model, various gnomes reply that theirs is a three-step process: Phase 1 is "collect underpants". Phase 3 is "profit". However, the gnomes are unable to explain what is to occur between the first and final steps, and "Phase 2" is accompanied by a large question mark on their corporate flow chart. Using "????" and "PROFIT!" as the last two steps in a process (usually jokingly) has become a widely popular Internet meme because of this. Especially in the context of politics and economics,