Lu Zhishen, nicknamed "Flowery Monk", or Sagacious Lu (the name his abbot gave him), is a fictional character in the Water Margin, one of the Four Great Classical Novels of Chinese literature. He is the lead character in the first major story cycle of the novel, in which he comes to epitomize loyalty, strength, justice but also brashness. He ranks 13th of the 36 Heavenly Spirits of the 108 Liangshan heroes.
One folktale represents him as a sworn brother of Zhou Tong.
Read more about Lu Zhishen: Becoming A Monk, Becoming Sworn Brothers With Lin Chong, Becoming An Outlaw, Death