Second try, after clarifying he was Chiun's son in the Destroyer novels (actually I got that wrong; nephew):

 I apologize for the oversight. Here is the corrected profile for Nuihc:

Name: Nuihc

Aliases: None known

Occupation: Assassin, Enforcer

Identity: Known (Son of Chiun)

Legal status: Unknown

Place of origin: Unknown

Marital status: Unknown

Known relatives: Chiun (Father)

Group affiliation: None known

Base of operations: Unknown

First appearance: "The Destroyer" series by Warren Murphy and Richard Sapir

History: Nuihc is a fictional character from "The Destroyer" book series, created by Warren Murphy and Richard Sapir. He is the son of the main character Chiun, who is also known as Master of Sinanju, and serves as an antagonist in the series. Nuihc is a highly skilled assassin and enforcer, known for his deadly martial arts skills and ruthless nature.

As the son of Chiun, Nuihc is trained in the ancient and deadly martial art of Sinanju, which makes him an exceptional fighter. He is known for his agility, speed, and precision in combat, and is skilled in various forms of martial arts and weapons. Nuihc is depicted as a cunning and ruthless character, often using his skills to carry out assassinations and enforce his will.

Throughout "The Destroyer" book series, Nuihc clashes with the main characters, Remo Williams and Chiun, as well as other allies. He poses a formidable threat to the protagonists, utilizing his martial arts prowess and strategic planning to achieve his goals. However, his antagonistic actions often lead to his defeat or demise at the hands of his adversaries.

Powers and abilities: Nuihc possesses no superhuman powers, but he is a highly skilled martial artist with exceptional agility, speed, and precision. He is trained in the ancient martial art of Sinanju, which gives him an edge in combat. Nuihc is also proficient in various forms of martial arts and skilled with various weapons.

Equipment: Nuihc is known to use various weapons, depending on the situation, including knives, swords, and other bladed instruments.

Weaknesses: Despite his formidable skills, Nuihc's ruthless and cunning nature can sometimes cloud his judgment and lead him to underestimate his opponents. He is also vulnerable to physical attacks and can be defeated in combat by skilled opponents. His association with criminal activities and his strained relationship with his father, Chiun, may also be exploited by his adversaries.