Who is the historical prototype of Gongsun Ce?

No, there is no Gongsun Ce in history. Gongsun Ce is a literary figure in the classic "Three Heroes and Five Righteousness". He is the director of Kaifeng House in the Northern Song Dynasty and Bao Zheng's right-hand man.

In "Three Heroes and Five Righteousness", Bao Zheng is in charge of the six-product master book of Kaifeng House. As the right-hand man of "Bao Qingtian" Bao Zheng, Gongsun Ce, in the process of handling a case in Bao Zheng, in order to better and more effectively interrogate prisoners, made a torture device, apricot blossom rain, and also made a dragon, tiger and dog bronze spear in Kaifeng, which became a classic in Kaifeng.

Gongsun Ce's superb medical skills are of great help to Bao Zheng in judging cases. He is knowledgeable, knows everything about piano, chess, calligraphy and painting, and is an amazing talent. It is such a character who, after being moved by Bao Zheng, willingly became a close friend of Bao Zheng, which provided powerful conditions for Bao Zheng to successfully decide the case.

Bao Zheng in history is real, and Gongsun Ce in history does not exist. He is a fictional character created by Shi Yukun in Three Heroes and Five Righteousness.

In the series of Bao Qingtian, in the extended material, Gongsun Ce appeared as a scholar, with a gentle and elegant appearance, absolutely delicate and charming, and some like sage like type. He is quiet, steady and modest. When talking with Bao Zheng, people usually call themselves "students", while Bao Zheng, Zhan Zhao and others respectfully call him "Mr. Gongsun".

Gongsun Ce often dresses up as a fortune teller when traveling incognito. In "Young Bao Qingtian" series, Gongsun Ce and Bao Zheng are the same age, with delicate images and unruly personalities.

Although they were not convinced of Bao Zheng at first, they were bitter rivals, but after big and small things, Gongsun Ce established Bao Zheng's right-hand man and they became close friends.

References:

Baidu Encyclopedia-Gongsun Ce