This is a story about the unlikely friendship between a dog and a moth. The dog, a loyal and loving companion, discovers the moth one day and is intrigued by its beauty and fragility. The moth, in turn, is drawn to the dog's warmth and kindness. Together,
The moth joke is a 2009 joke told by the Canadian stand-up comedian Norm Macdonald, delivered during an appearance on The Tonight Show with Conan O'Brien. The joke involves a moth who enters a podiatrist's office, tells a Kafkaesque narrative about his family miseries, and, upon being told by the podiatrist that he should see a psychiatrist and asking why he entered his office, responds, "cause the light was on". The joke has been described as a shaggy-dog story that deals with the interactions between nature, culture, misery, existential despair, and the tension between comedy and comics. Commenters have called the moth joke one of Macdonald's best.