Genjo Sanzo is a central character in the anime and manga series 'Saiyuki.' He is a high-ranking Buddhist priest known for his sharp tongue, quick temper, and strong sense of duty. As the leader of the group, Sanzo guides his companions on a perilous journey to the west to stop the resurrection of the evil demon Gyumaoh. Despite his outwardly cold demeanor, Sanzo deeply cares for his friends and is willing to risk his life to protect them, making him a complex and compelling character.