A rescue dog was so badly behaved after being mistreated by drug addict owners that no one would keep him for more than a year.
But now Horus has become the star pupil at his obedience school after mastering 50 commands... in sign language.
The deaf mongrel was taken in by sign language enthusiast Rosie Gibbs, 30, who used Makaton - a basic form of sign language often used on children - to train him.