Carlos Império Hamburger, better known as Cao Hamburger (Portuguese pronunciation: [ˈkaw ɐ̃ˈbuʁɡeʁ]; born 27 February 1962), is a Brazilian screenwriter and director of movies and TV. He is one of the creators of the Castelo Rá-Tim-Bum (Castle Rá-Tim-Bum) series of programs for children in the TV Cultura of São Paulo, along with Flávio de Souza, which gave origin to a successful movie with the same title. Castelo Rá-Tim-Bum was one of the most successful children shows to air in Brazil. He directed in 2006 another successful film, O Ano em Que Meus Pais Sairam de Férias (The Year My Parents Went on Vacation), partly based on his childhood memories.