Fast food giant McDonald's has brought back the McRib until Nov. 14. The sandwich has gained cult acclaim over the past three decades because of its limited availability. Paul J. Richards/AFP/Getty Images hide caption

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During a demonstration in Chicago, Jack Nugent (right), part of a group organized by Corporate Accountability International, urged a pedestrian to support his cause calling for McDonald's to retire Ronald McDonald in March 2010. Scott Olson/Getty Images hide caption

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Five-year-old Andy Villatoro plays with a toy he received with a Happy Meal at a San Francisco McDonald's last year. David Paul Morris/Getty Images hide caption

itoggle caption David Paul Morris/Getty Images