Why are Han Xin, Pang Juan, Luo Cheng and Zhou Yu called the four shorts?

Han Xin (about 23 BC1-BC 196), a native of Huaiyin (Huaiyin County, Jiangsu Province, now Huaiyin District, Huai 'an City), was a founding hero of the Western Han Dynasty, an outstanding strategist in the history of China, one of the four sages of military strategists, and a representative of China's military thought, and was honored as a "soldier fairy" by later generations.

Pang Juan (? -before 34 1 year), it was a famous wei ren in the early Warring States period. According to legend, Sun Bin and I are worshipped by hermits. Because we were jealous of Sun Bin's talent and afraid that he was better than ourselves, we designed to scrape off his kneecaps.

Luo Cheng, a fictional character in novels such as Romance of Sui and Tang Dynasties, Legend of Tang Dynasty and Biography of Tang Dynasty, is the seventh hero in the world, the son of Luo Yi, the prince of Yan, and the cousin who is proficient in marksmanship. Because of his fair skin and handsome face, he was nicknamed "Cold-faced Sniper Cheng", and later joined the Wagangzhai Rebel Army with Cheng and others, breaking the long snake array.

Zhou Yu (175-210), a famous soldier in the late Eastern Han Dynasty, was born in Shu County, Lujiang, Anhui Province. Luo Yangli Zhou Yi's son, grandfather and uncle are all officials to Qiu. Strong, beautiful and elegant, Jiangdong has the saying "wrong song, care".