Cereal giant Kellogg's has launched a new cereal in the hope of capitalising on the world's most famous cartoon family; the Simpsons. Bart Simpson's No ProblemOs combine multi-grain cereal loops and chocolatey biscuits. Guy Longworth, Kellogg's UK/ROI Marketing Director, says: "Bart Simpson is a 21st Century icon and has millions of admirers in the UK and due to popular demand Kellogg's has brought him to the breakfast table."