Gryphus

Gryphus is an A.D.A.M of the Rengoku Series. He serves as the main antagonist and final boss for both Rengoku games, and is the one behind the death of Gram's team.

Appearance
Gryphus is a red A.D.A.M, his appearance took the form of his weapon's respective position. In Rengoku II he uses a new set of weapons but  looks the same as in the previous game.

Rengoku 2
Gryphus defeated Gram and sends him to the lowest floor of the Tower of Purgatory. There he waited until Gram's second arrival. They exchanged some words and fight. Defeated, Gryphus told Gram that it is impossible to live forever and remain sane.

Gryphus in Rengoku 1.