Paul McCartney has been revealed as the person behind a set of ‘Grandude’ adverts which have recently appeared in local newspapers across the UK.The adverts have run in the classified section of papers such as the Manchester Evening News, Liverpool Echo and Scotland’s Daily Record over the past week.“Grandude and chillers seek information leading to the whereabouts of Nandude,” the advert, which you can see here, begins.“Grandude and his four chillers are looking for their adventure-loving