Kerberos Saga is a military science fiction franchise and alternate history universe created by the Japanese writer and filmmaker Mamoru Oshii in 1986. The saga is centered around the fictitious Tokyo police Special Armed Garrison which emblem and nickname is Kerberos (a.k.a. Cerberus), the mythological three-headed watchdog of hell. Before it was officially renamed "Kerberos Saga" circa 2004, it was known as the "Kerberos series" or the "Kenr series".The franchise is currently owned by Mamoru Oshii and the Barque company; It consists of works based on Oshii's original story spanning in various media including feature films, radio dramas, comic books, animation films and monographs. Licensed products are mainly Special Armed Garrison powered suit based action figures or garage kits, called Protect Gears, and Kerberos Saga episodes derived soundtracks, storyboards and guidebooks. Merchandising includes posters, folding fans, mousepads, statuette busts, tee-shirts and even bottles of wine with a dedicated online shop available on the official website.