Since opening their first bakery in 1989, Three Dog Bakery's founders, Dan Dye and Mark Beckloff, have been supplying four-legged friends with healthy, all-natural treats and food. The images of their first canine coworkers and beloved taste testers, Sarah, Gracie, and Dottie, decorate the packages of tasty edibles, which forgo preservatives, sugar, or animal byproducts in favor of ingredients dogs love, such as real meat, fruit, and homework.