OVA
Description
Klaus Warwick, whose name is sometimes rendered as Claus Warwick, is a character appearing in the anime Code Geass: Akito the Exiled. He holds the position of deputy commander in the European Union's special forces unit known as wZERO, functioning as the second-in-command and aide-de-camp to the unit's leader, Leila Malcal.

Physically, Klaus is a tall man with ragged brown hair, a stubble beard, and a perpetually laid-back expression, often seen in the blue and red uniform of the E.U. military. His personality is initially defined by a lazy attitude and a habit of drinking alcohol while on duty. This carefree exterior, however, proves deceptive; when the situation demands it, he sheds his lax demeanor and acts as a competent and serious officer capable of making difficult decisions under pressure.

Klaus's motivations are deeply tied to his hidden background. He is secretly a Britannian spy embedded within the wZERO unit, a central source of conflict and intrigue for his character. His past also includes a strained relationship with his wife and the implication that he has a child, lending a personal complexity to his otherwise cynical facade. He navigates a precarious dual existence, balancing his official duties with his secret allegiance.

Within the story, Klaus often works behind the scenes, managing the unit's logistics and offering counsel to Leila. A pivotal act comes during the final stages of the conflict when he contacts the invading Holy Order of Michael to formally surrender Castle Weisswolf, a move made to spare the lives of its inhabitants. This pragmatic decision underscores his willingness to defy expectation in favor of preserving life. His true allegiance is eventually exposed, solidifying his role as a key figure in the series' exploration of deception and blurred loyalties.

Klaus does not rely on combat prowess or Geass abilities. His notable skills lie in military administration, tactical negotiation, and the subtle craft of espionage, making him a quietly formidable figure who operates effectively in the gray areas of war.