Snowy (character) he is able to understand human language, and communicates with speech bubbles. His verbal responses to various situations include jokes, expressions of fright, and pleas to Tintin to exercise caution. In the early albums he takes an interest in mechanics and geography; in "Tintin in the Congo", he makes biblical references. As a dog, he also sniffs, tracks, chases, and bites. The character of Snowy evolved through the course of the Tintin series. In early works he exchanges dialog with other characters, including animals, and provides a running commentary on the situation. His character then became affected by the introduction
Tintin (character) Hergé", author of numerous books on the subject, including "Hergé and Tintin, Reporters" and the biography . In 1983, Benoît Peeters published , subsequently published in English as "Tintin and the World of Hergé" in 1988. The reporter Michael Farr brought "Tintin" literary criticism to the English language with works such as "Tintin, 60 Years of Adventure" (1989), "Tintin: The Complete Companion" (2001), "Tintin & Co." (2007) and "The Adventures of Hergé" (2007), as had English screenwriter Harry Thompson, the author of "Tintin: Hergé and his Creation" (1991). Tintin's earliest stories naively depicted controversial images, with Tintin engaging in racial