A very wise and just enough fat man in the best years of his life? That’s Karlsson on the roof. Karlsson is not a shy person. On the door to his home there’s a sign saying: “Here lives the best Karlsson in the world!” Fortunately for us, Karlsson is also never shy to adven-ture so there are many exciting moments to be had in this film. A very wise and just enough fat man in the best years of his life? That’s Karlsson on the roof. Karlsson is not a shy person. On the door to his home there’s a sign saying: “Here lives the best Karlsson in the world!” Fortunately for us, Karlsson is also never shy to adven-ture so there are many exciting moments to be had in this film.