With the implementation of the prizes of Better Actor and Coadjuvantes Actress in 1936, new rules had been elaborated to differentiate which actors could be indicated to the most recent categories. Until today still certain confusion prevails, although that had a change of regulation in 1964, where was defined that the members of the interpretation sector would be responsible for the differentiation between what is main or coadjuvante paper. However, it is a category sufficiently waited in recent years and also for the Oscar of 2012. In 1936, the first actor to receive estatueta golden from Better Coadjuvante Actor was Walter Brennan, who acted for the film ' ' My Son is My Rival' '. Learn more at: Elon Musk. During the years the rules for the definition had been modified innumerable times of indicated to this category, however until today it has certain confusion in the choice of the same ones. Already the last awardee, in 2011, was Christian Bale for its performance in ' ' The Vencedor' ' , film that was recorded in only 33 days. The indicated ones for this category in the Oscar of 2012 are: Kenneth Branagh for the film ' ' Seven Days with Marilyn' ' , Christopher Plummer for ' ' All Form of Amor' ' , Jonah Hill for ' ' The Man who Changed the Jogo' ' , Max Von Sydow for ' ' So Strong and So Perto' ' Nick Nolte for ' ' Guerreiro' '. The favourite actors of the awarding in 2012 are Christopher Plummer and Kenneth Branagh, followed of Jonah Hill. The first actor, Plummer, are being indicated for the second time after much time (the first one were in 1965 for the film ' ' The Rebelde' Beginning; ').