Kerberos Panzer Cop, also known as Kerberos Panzer Cops literally "Dog-Wolf Legend: Hellhound Armoured Cop" (犬狼伝説, Kenrou Densetsu?), is a 1988 to 2000 Kerberos saga manga written by Mamoru Oshii and illustrated by Kamui Fujiwara (Studio 2B) with mechanical design by Yutaka Izubuchi. This comic series tales events prior to those portrayed in Oshii's 1987 live-action feature film The Red Spectacles. In 1991, Mamoru Oshii directed the movie StrayDog: Kerberos Panzer Cops which is based on the first volume of Kerberos Panzer Cop. The complete comic series was loosely adapted for the screen in the 1999 animated feature Jin-Roh directed by Hiroyuki Okiura and written by Mamoru Oshii.
Part One (Act 1~4) of Kerberos Panzer Cop was published in various Japanese comic magazines from 1988 to 1990, it was later completed with Part Two (Act 5~8) published in Monthly Shōnen Ace from 1999 to 2000. Translated versions of the complete series were issued in South Korea, Hong Kong, Macau, Malaysia and Taiwan in the early 2000s. A sequel named Kerberos Saga: Rainy Dogs was serialized in Ace Tokunoh from 2003 to 2005, then published as an extended single volume in 2005.
An English language adaptation of the first four acts was published under the title Hellhounds: Panzer Cops in 1994 by Dark Horse Comics. The American translators from Studio Protheus, Alan Gleason and Toren Smith, randomly used the alternative titles Hellhounds (Cerberos -sic-: Panzer Cop) and Hellhounds. This adaptation was later issued in the United Kingdom by Diamond Comic Distributors in 1998, and a translated version was published in the German magazine Manga Power in 1996.
On April 2010, as a twentieth anniversary of the Original Edition (1990 volume compilation), Gakken publisher will issue Kerberos Panzer Cop a Revision : 20th edition, a planned revised version (Act 1~8) with corrected scenes and "digitally refine" graphics by Kamui Fujiwara. A 16 pages extra Act Kerberos Panzer Cop: Special Issue (前夜-ケルベロス騒乱異聞, zenya - keruberosu souran ibun) was prepublished in Kerberos Panzer Cops: Tokyo War, the Kerberos Saga's definitive guide.