Mercury

Mercury was the police tracker dog that pooed on the street outside the carriage when Jack Barker stepped down

Biography
Mercury, who was suffering from a weak stomach, was one of many police animals that guarded the wedding of Sonia Barker. Mercury however, excreted in the exact spot where Jack put his foot when he stepped out of the coach taking him and Sonia to the church. Despite extensive searches, Mercury was never found. Sometimes, on a slow news day, tabloids throughout the country will ask: 'What Happened to Mercury?'