Hergé conceived Haddock, as a sailor, to possess a very colorful vocabulary, which in connection with his temper would naturally lead to him expressing a lot of curses if angered. However, in the 1940's censorship was very strict in the media, also in regard of the inclusion of offensive language. However, Hergé then recalled an incident from 1933 in which a trader used the term "Four Power Pact" in an offensive manner, which inspired him to employ officially non-offensive terms (especially scientifically used ones) like swear words.