The (originally the or the Mechaphilia, Mamoru Oshii & Atsushi Takeuchi, 第2章：プロテクトギア篇 vol.01［三頭犬の皮］：92式特殊強化装甲服【PROTECT GEAR】, page 22, October 5 of 2004 before at least 2004Mechaphilia, Mamoru Oshii & Atsushi Takeuchi, 第2章：プロテクトギア篇 vol.01［三頭犬の皮］：92式特殊強化装甲服【PROTECT GEAR】, page 25, October 5 of 2004), also known as Hellhounds overseas, is a Japanese dystopian science fiction political thriller media franchise created and owned by writer and filmmaker Mamoru Oshii.

Kerberos Panzer Cop, also known as , and as Hellhounds: Panzer Cops or just Hellhounds overseas, is an alternate history political thriller manga written by Mamoru Oshii and illustrated by Kamui Fujiwara (Studio 2B) with mechanical designs by Yutaka Izubuchi, running from 1988 to January 2000.