Klaus von Wolfstadt, from one of the nations of the “Western Alliance,� has left his duty as a soldier to his nation in order to be a knight to Taki Reizen, commander of the 15th division “Rozen Maiden� whose country has an alliance with “Eurote,� an enemy of the Western Alliance. (Source: Wikipedia) Also known as "Mad Dog" and sometimes referred to as the commanders "Loyal Dog" by his men.