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 and the Picaros television series. Directed by Stéphane Bernasconi, the series has been praised for being "generally faithful", with compositions having been actually directly taken from the panels in the original comic book. Many fans felt it was out of character for Tintin in the book to refuse to go to South America. In the television episode, Tintin is all for rescuing his friends and goes with Haddock and Calculus early in the adventure. In the original comic, Tintin wore bell-bottoms throughout the book, which was in contrast with the plus-fours he had always worn previously. In the episode, his plus-fours have returned.