Santa's Little Helper realistic dilemma faced by many families who own dogs. Other episode ideas come from popular culture. For example, Santa's Little Helper fathering 25 puppies in "Two Dozen and One Greyhounds" is a parody of the Disney film "One Hundred and One Dalmatians", and Mr. Burns' technique of brainwashing him into an attack dog in "Dog of Death" parodies "A Clockwork Orange". Susan McHugh, who teaches theories of animals, literature, and culture at the University of New England, wrote in her 2004 book "Dog" that, "remaining loyal to his unlikely saviours, the boy Bart and his father Homer, this greyhound has
Santa's Little Helper emotional range. And both will growl and possibly snap if you try to take their food." Although animals in cartoons often behave with "semi-human awareness", Groening said on the DVD audio commentary for the episode "Two Dozen and One Greyhounds" that he prefers animals in cartoons to behave exactly the way they do in real life. As a result, Santa's Little Helper is depicted in this way on the show. There have, however, been some exceptions for gags, but most of the time the staff of "The Simpsons" tries to keep animals acting realistically. Several journalists have commented on the