Chien Lien Tu best known by his stage name John Doo was a ChineseBrazilian filmmaker director of photography screenwriter producer and occasional actor Doo was part of a recurring team of filmmakers actors and producers in São Paulos Boca do Lixo a downtown square that became a pole of production and distribution of erotic and pornographic films Among the highlights of his career are partnerships with David Cardoso and Ody Fraga the three of them collaborating in a series of anthology erotic films Born in Chongqing China in 1942 Doo moved with his family to Brazil at age 8 and in 1963 got his first professional gig in Brazilian cinema working as continuity supervisor in Amacio Mazzaropis O Cabeleira He would go on to be assistant director in Mazzaropis O Puritano da Rua Augusta 1965 He had his directorial debut with 1978s Ninfas Diabólicas a mix of erotic and fantasy which would become his trademark style Among his best known works are O Gafanhoto an episode of the 1981 anthology film Pornô and O Pasteleiro a segment of 1981s Aqui Tarados By the late 1980s Doo had given up filmmaking but continued to appear as an actor in features by a number of Brazilian directors such as Carlos Reichenbachs Filme Demência 1986 Ruy Guerras A Ópera do Malandro 1986 and Guilherme de Almeida Prados A Dama do Cine Shanghai 1987 In a coma after suffering from a stroke in 2009 Doo passed away in February 2012