Officer Big Mac appears at the right of this McDonaldland image, in front of the Hamburglar and to the right of Grimace.
Officer Big Mac is a McDonaldland character. He is similar in appearance to Mayor McCheese, in that he is a humanoid character with a large Big Mac for a head.
As McDonaldland's chief of police,Officer Big Mac wears an old-fashioned constable's uniform. Officer Big Mac is the main representative of law and order in McDonaldland, it is his responsibility to prevent the Hamburglar from stealing hamburgers and to prevent Captain Crook from stealing Filet-O-Fish sandwiches.
Officer Big Mac appeared frequently in McDonald's promotianal materials in the 1970's and 1980's but he was dropped following the 1980's streamlining of the McDonaldland characters.