Tintin (character) with word balloons, in which he depicted a boy and a little white dog. Abbe Wallez thought that these characters could be developed further, and asked Hergé to use characters like these for an adventure that could be serialised in . Hergé agreed, creating "The Adventures of Tintin" as a result. Images of Tintin and Snowy first appeared in the youth supplement on 4 January 1929, in an advert for the upcoming series. However, Hergé would later insist that Tintin would only be "born" on 10 January 1929, when "Tintin in the Land of the Soviets" began to be serialised
Tintin (character) the firing squad (in "The Broken Ear") or too angry when informing Captain Haddock that he nearly cost them their lives (in "Explorers on the Moon"). However, as Michael Farr observed, Tintin has "tremendous spirit" and, in "Tintin in Tibet", was appropriately given the name Great Heart. By turns, Tintin is innocent, politically crusading, escapist, and finally cynical. If he had perhaps too much of the goody-goody about him, at least he was not priggish; Hergé admitting as much, saying, "If Tintin is a moralist, he's a moralist who doesn't take things too seriously, so humour is never far away