Who was the famous calligrapher in the Three Kingdoms period?

The most famous calligrapher in the Three Kingdoms period was Zhong You. Zhong You was good at seal script, official script, original script, running script and cursive script, and he was quite accomplished in calligraphy, which promoted the development of regular script (small script) and had a far-reaching influence on later calligraphy, and was honored as the "originator of regular script" by later generations.

Zhong You was born in Yingchuan, Zhongshi. During the Eastern Han Dynasty, Ju Xiaolian was born, and served as an assistant minister of Shang and Huangmen, assisting Emperor Xiandi to return to Luoyang in the east, and was named Donghou. After gaining the trust of Cao Cao, the prime minister of the dynasty, he became a captain, guarding Guanzhong, and made outstanding achievements, and was compared to Xiao He.