El Ratón Pérez is a 2006 Spanish-Argentine film directed by Juan Pablo Buscarini, starring Delfina Varni, Nicolas Torcanowsky and the voices of Alejandro Awada as Ratón Perez, Mariano Chiesa as Commander Fugaz and Roly Serrano as El Rata. The film includes 3D animated characters created by the Patagonik Film Group in Argentina, and Filmax Animation in Spain. It was followed by a 2008 sequel, El Ratón Pérez 2.

Plot

This is the story of Lucía, a restless kid who suffers a domestic accident and loses a tooth. Santiago, her father, an unemployed chef and Pilar, her mother, a successful architect with work to spare, ease her with the illusion that Ratón Pérez will stop by her room that night, take her tooth and replace it with some money. What they don't know is that the alert sign is already being spread...

Awards