Question: Who did the host of Fast Friends often make jokes about?

Context paragraphs:
Fast Friends (TV series): Fast Friends was a short lived game show that aired for one series on BBC One in 1991.  Hosted by Les Dawson, it was an adaptation of an unsold pilot produced for US television in 1984 by Jay Wolpert.

Euro proof sets: Euro proof sets are proof sets of the coins of the euro.  Proof coins were originally coins minted to test the dies used in the coin minting process and to archive sets of coins minted every year.  Modern proof sets are printed in higher numbers and are sold to the public and numismatists for collecting.  Modern proof coins are often minted using special processes in order to make the coins more aesthetically pleasing.  Mints in countries in the European Union who use the euro often make proof sets of the upcoming year's euro coins.  Sets from these countries are listed below.

Argentine humour: Argentine humour is exemplified by a number of humorous television programmes, film productions, comic strips and other types of media.  Everyday humour includes jokes related to recurrent themes, such as xenophobic jokes at the expense of Galicians (Spaniards) called "chistes de gallegos" (where they are commonly portrayed as simpletons), often obscene sex-related jokes ("chistes verdes", literally "green jokes", a term equivalent to the English-language "blue humour"), jokes about the English, the Americans, blonde women (supposedly clueless, according to a misoginist point of view), dark humour (called "humor negro"), word and pronunciation games, jokes about Argentines themselves, etc.

Strategic group: A strategic group is a concept used in [strategic management] that groups companies within an industry that have similar business models or similar combinations of strategies.  For example, the restaurant industry can be divided into several strategic groups including fast-food and fine-dining based on variables such as preparation time, pricing, and presentation.  The number of groups within an industry and their composition depends on the dimensions used to define the groups.  Strategic management professors and consultants often make use of a two dimensional grid to position firms along an industry's two most important dimensions in order to distinguish direct rivals (those with similar strategies or business models) from indirect rivals.  Strategy is the direction and scope of an organization over the long term which achieves advantages for the organization while business model refers to how the firm will generate revenues or make money.

Eldar Shafir: Eldar Shafir (Hebrew: אלדר שפיר) is an American behavioral scientist, and the co-author of "Scarcity: Why Having Too Little Means So Much" (with Sendhil Mullainathan).  He is the Class of 1987 Professor in Behavioral Science and Public Policy; Professor of Psychology and Public Affairs at Princeton University Department of Psychology and the Woodrow Wilson School of Public and International Affairs.  He is a Faculty Associate at the Institute for Quantitative Social Science at Harvard University.  He is co-founder and Board Member of Ideas42, a non-profit organization that uses behavioral science to help solve tough social problems.  His main area of study is behavioral economics, that is, how the decisions people make affect their financial outcomes.  His research has led him to the general conclusion that people often make inadvisable decisions on financial matters when they think they are being rational.

Les Dawson: Leslie "Les" Dawson, Jr. (2 February 1931 – 10 June 1993) was an English comedian, actor, writer, and presenter, who is best remembered for his deadpan style, curmudgeonly persona and jokes about his mother-in-law and wife.

Media in The Simpsons: Media is a recurring theme of satire on "The Simpsons".  The show is known for its satire of American popular culture and especially television culture, but has since its inception covered all types of media such as animation, journalism, commercials, comic books, movies, internet, and music.  The series centers on a family and their life in a typical American town but the town of Springfield acts as a complete universe.  The town features a vast array of media channels—from kids' television programming to local news, which enables the producers to make jokes about themselves and the entertainment industry.

Russell Celyn Jones: Russell Celyn Jones is a British writer and academic, born in London on 24 June 1952 and brought up in Swansea, Wales.  He has written novels, mostly focused on crime and issues of guilt and morality, and also teaches creative writing.  He may be best known for "Ten Seconds from the Sun" about the rehabilitation of a child murderer.  Jones received his B.A. degree from University College London and his M.F.A. from the University of Iowa.  He has three children: Rebecca, Rachel, and Benjamin.  When he is not teaching or writing, Celyn Jones is often seen attending various art galleries, theatre productions, and readings in bookstores.  He is an adamant political and social activist, and never holds back standing up for the rights of others.  He has an unparalleled effect on his students, who often make the effort to stay in contact with him long after schooling.

Gallicism: In speaking or writing English, a Gallicism often results from a direct translation from French, giving an unidiomatic expression.  False friends often provide occasions for Gallicisms: For example, using the verb "to assist" to mean "to be present at" (as in the French "assister à") is a Gallicism.  So is "we haven't had much chance" to mean "we haven't had much luck."

Fast Friends (novel): Fast Friends is a novel by British author Jill Mansell, about three school friends reunited after several years apart.

Supporting paragraphs: Fast Friends (TV series) Les Dawson
Answer: his mother-in-law and wife