Los Angeles-based Gorilla Nation, which represents online publishers for advertising sales, reports today that the firm has extended an agreement with The Brooklyn Company, which owns horror site Fangoria.com, FangoriaGoreZone.com, and Starlog.com. Gorilla Nation said that it will continue to exclusively represent the three web sites, but did not disclose financial terms of the deal. The two said they have been working together for the last five years. The Brooklyn Company's three site reach around 5.5 million visitors a month.