Jakob Maria Mierscheid MdB has been a fictitious politician in the German Bundestag since 11 December 1979. He was the alleged deputy chairman of the Mittelstandsausschuss (Committee for Small and Medium-Sized Businesses) of the Bundestag in 1981 and 1982. According to his official biography, he was born in Morbach/Hunsrück, a very rural constituency in Rhineland-Palatinate. He is Catholic and a member of the Social Democratic Party of Germany.