Able seaman Titty Walker to be renamed ‘Tatty’ for BBC Films adaptation of the classic Arthur Ransome children’s novelThe family of the woman who inspired Titty in Arthur Ransome’s Swallows and Amazons have hit out at plans to switch the dinghy-loving character’s name to “Tatty” in a new film adaptation.BBC Films announced in 2011 that it was planning a new take on the classic Lake District-set children’s story, with the aim of capturing the imagination of the Harry Potter generation.