Bark Humbug: Norman the dog does his finest Scrooge impression

Norman protesting the caroling. Credit: Youtube/ Norman

Video of a bullmastiff's hatred of a Christmas carol is becoming a festive hit on Youtube.

As his owner launches into the 12 Days of Christmas Norman immediately starts to look uncomfortable and soon starts grumbling.

By the time the song reaches five gold rings Norman has had enough and smothers his singing friend.