The Walt Disney Company, commonly known as Disney, is an American diversified multinational mass media and entertainment conglomerate headquartered at the Walt Disney Studios in Burbank, California. It is the world's largest diversified entertainment company in terms of revenue and has been called "the most powerful media company in the world". The company was founded on October 16, 1923, by brothers Walt and Roy O. Disney as a cartoon studio. Disney has evolved into a major force in the entertainment industry, producing films and television programs, operating theme parks and resorts, publishing books and magazines, and merchandising a wide range of products. The company is best known for its flagship character, Mickey Mouse, and its animated films, which have won numerous Academy Awards and other accolades. Disney also owns and operates a number of media networks, including the ABC broadcast network, the ESPN sports network, and the Disney Channel.