What are the names of the four villains?

The nicknames of the four villains are as follows:

1, Duan Yanqing full of evil

Duan Yanqing is a fictional character in Tian Ba Long Department. He is one of the top martial arts experts in Jin Yong's novels. Duan Yanqing is wearing a blue robe, with a long beard and drooping chest. His face is dark, his eyes are wide open, and he is talking about god. A man who is at the top of the four wicked people in the world and is called "the man of all evils".

2. "Don't be evil" Ye Erniang

Ye Erniang is a character in Jin Yong's martial arts novel Tian Long Ba Bu, ranking second among the four villains and nicknamed "All Evil". Ye Erniang is beautiful, but there are three blood stains on her left and right cheeks.

3. "Fierce" South China Sea Crocodile/Yue Laosan

The crocodile god in the South China Sea is a character in Jin Yong's novel Tianlong Babu. His surname is Yue and his first name is black dragon, but he doesn't want to mention his own name. He ranks third among the four villains, nicknamed "fierce", but he calls himself the second.

4. "Evil" Yun Zhonghe

Yun Zhonghe is a fictional character in Jin Yong's martial arts novel "Eight Dragons" and one of the four villains. His lightness skill is one of the best in the novel, and he is extremely lewd. Surrounded by four guards of Wangmi in the south of the town, he escaped from the pursuit with light skill and high strength. Yun Zhonghe's real character template is Jin Yong's cousin Xu Zhimo.