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) is plastered to Tintin's forehead, but during a particularly vigorous car chase, his quiff is out and remains so. By the time he arrives in Chicago for his third adventure, both Hergé and his readers feel they know Tintin well, and he was to change little in either appearance or dress. Hergé was once asked by interviewer Numa Sadoul how the character Tintin developed; he replied, "He practically did not evolve. Graphically, he remained an outline. Look at his features: his face is a sketch, a formula." This view was echoed by Assouline, who commented that graphically, Tintin was "as