Larsson stated in interviews that he based the character of Lisbeth Salander on what he imagined Pippi Longstocking might have been like as an adult.
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In the trilogy, Salander has the name "V. Kulla" displayed on the door of her apartment on the top floor of Fiskargatan 9 in Stockholm, Sweden.
The two primary characters in the saga are Lisbeth Salander, a woman in her twenties with a photographic memory and poor social skills, and Mikael Blomkvist, an investigative journalist and publisher of a magazine called Millennium.
In 2011 he appeared in The Girl with the Dragon Tattoo along with Daniel Craig, in the role of Nils Bjurman, the sexually abusive guardian of Lisbeth Salander (Rooney Mara).