Will Ferrell’s Elf is the star of Asda’s Christmas ad

Created by Havas London, the ad sees Buddy the Elf rock up at an Asda store to take part in a trial work shift in the run up to Christmas. Many a slapstick moment follows, as Buddy samples the Christmas food, distracts his colleagues and – of course – sings loudly over the store's tannoy system. Creating the ad was...