Hollywood endorsements don't always work, but they can matter, especially if the message is perceived as authentic and the celebrity is respected. Like Clint Eastwood.
Super Bowl ads reflect a broader truism in advertising: A cute animal is a better pitchman than a human 9 times in 10 (Peyton Manning aside). Over the years, some of the most successful Super Bowl ads of all time have featured a wide array of animals, from mighty Clydesdales to lowly mosquitoes. Here is our countdown of six of the best ever fuzzy (and not so fuzzy) Super Bowl commercials, including a winner from Super Bowl XLVI. Did your all-time favorite take the top spot?