Chang Chong-Chen (French: Tchang Tchong-Jen; Chinese: 張仲仁 Zhāng Zhòngrén) is a fictional character in The Adventures of Tintin, the series of comic albums written and illustrated by Belgian artist Hergé. Although Chang and Tintin only know each other for a short time, they form a deep bond which drives them to tears when they separate or are re-united.
Chang was based upon Zhang Chongren, a real friend of Hergé's.
The story which introduced him was to have a major effect on Hergé and Tintin, making it one of the most popular series of all time. His next appearance would also be in one of the most moving of Tintin's adventures.
Read more about Chang Chong-Chen: Character History, Meeting Tintin, Chang and The Yeti, The Real Chang Is Found, Further Reading