View Post Agencies | Brands | Campaigns | People | TV Saatchi & Saatchi NY Introduces Grumpy Cat to Buzz By Erik Oster on Jul. 1, 2014 - 5:09 PM Saatchi & Saatchi New York introduces Internet phenomenon Grumpy Cat to Honey Nut Cheerios in a new 30-second broadcast spot for the brand designed to appeal to younger audiences. For the spot, entitled simply “Buzz Meet ...