Why are Chu Xu and Dian Wei called samurai heroes?

Because Chu Xu and Dian Wei are so powerful, they are called samurai heroes.

The samurai duo are talking about Chu Xu and Dian Wei, but Chu Xu and Dian Wei are Cao Cao's valiant generals and his most trusted guards. They are also known as the samurai duo, which originated because they are powerful, especially famous for their force.

Chu Xu (date of birth and death unknown) was born in Zhong Kang, Bozhou (now Bozhou, Anhui). During the Three Kingdoms period, there was a famous Wei, who was more than eight feet long and ten waist long. Because of his heroic spirit and great strength, he was called a "tiger idiot".

Dian Wei (? -197), Wu Ji, Liu Chen (now Jiwucheng Village, Huanggang Township, Ningling County, Henan Province), was a famous soldier under Cao Cao in the late Eastern Han Dynasty, with a burly figure and extraordinary brawn.

This is Zhang Miao, who once held the yamen flag with one hand. Later, he turned to Cao Cao for help. When Cao Cao conquered Lyu3 bu4, he was recruited as a trap and showed bravery. Be worshipped as a captain and defend Cao Cao. In the second year of Jian 'an (197), Zhang Xiu betrayed Cao Cao. In order to protect Cao Cao, Dian Wei led 10 people to stop the rebels, killing many people, but eventually he died because he was outnumbered. The novel Romance of the Three Kingdoms calls Dian Wei "an ancient Hubei".