 Tim Hortons is the most popular Canadian doughnut and coffee franchise, and one of the most successful quick service restaurants in the country.In the Second City Television sketch comedy "The Great White North" featuring the fictional stereotypically Canadian brothers Bob and Doug MacKenzie and in their film "Strange Brew", doughnuts play a role in the duo's comedy.Within the United States, the Providence metropolitan area was cited as having the most doughnut shops per capita (25.3 doughnut shops per 100,000 people) as of January 13, 2010.