Klaus Von Reinherz is the dignified leader of Libra, an organization dedicated to preserving balance in the chaotic city of Hellsalem's Lot in the anime series Kekkai Sensen (Blood Blockade Battlefront). Known for his imposing stature, gentlemanly demeanor, and strong sense of justice, Klaus is a master of the Brain Grid Blood Battle Technique. He provides guidance and support to his team, acting as both a protector and a strategist, and is respected by allies and adversaries alike.