Doberman Drill Sergeant is one of the minor characters of Cats & Dogs.
From the beginning of the movie The Doberman Drill Dergeant and the Doberman puppies where in cages in the plane where there going to the farm where Lou and his Siblings. Meanwhile, Lou was tries to escape, but he fails into the bucket. Suddenly, a chainsaw cuts a large hole on the floor and a group of young black Doberman puppies led by Doberman Drill Sergeant and forces the beagles to go underground, not noticing the younger puppy (Lou). Mrs. Brody comes into the puppy pen and the younger puppy came out of the bucket. She decides to adopt him a takes him home, naming him Lou and was not seen for the rest of the film.