Captain Haddock oeuvre", it is inspired by the German French-language film "Captain Craddock". In "The Crab with the Golden Claws", Haddock sings one of the film songs, "Les gars de la Marine". At the time of Captain Haddock's introduction to the series in 1940, the character's manners presented a problem to Hergé. As a sailor, Haddock would need to have a very colourful vocabulary, but Hergé could not use any swear words as he knew his audience included children. The solution reportedly came when Hergé recalled how around 1933, shortly after the Four-Power Pact had come into being, he had overheard a
Gray Haddock Rooster Teeth's animated series, "RWBY". He also took on the role of Locus in "Red vs. Blue", a character that debuted in Season 11. In 2014, Haddock co-starred in the two-hander play "Venus in Fur", opposite Molly Karrasch. In 2014, Haddock worked as a producer on the second season of "RWBY". In September 2014, Haddock became head of the newly formed Rooster Teeth Animation department. Since production started on its third season in 2015, Haddock has been a co-director and producer for "RWBY". In 2018, Haddock became writer of director for a mecha series on Rooster Teeth, "". Gray Haddock