Klaus V. Reinherz is a prominent character in the anime series 'Kekkai Sensen' (also known as 'Blood Blockade Battlefront'). He serves as the leader of Libra, an organization dedicated to maintaining balance and order in the chaotic city of Hellsalem's Lot. Klaus is characterized by his calm demeanor, immense strength, and strategic mind, often using his unique combat abilities to protect his comrades and the city. Despite his intimidating appearance, Klaus is compassionate and cares deeply for his friends, making him a respected and beloved leader within the series.