Pedro José Ferreira da Silva (São Paulo, 29 June 1951), known as Glauco Mattoso, is a poet, writer, novelist, essayist, translator and songwriter from Brazil.

In addition to editing the poetic-pamphlet fanzine Jornal Dobrabil, he collaborated in several alternative press periodicals, such as the gay tabloid Lampião and the humorous newspaper O Pasquim.

[2] In the 1980s, he published works in magazines such as Chiclete com Banana, Tralha, Mil Perigos, SomTrês, Top Rock, Status e Around, essays and literary criticism in Jornal da Tarde, as well as several volumes of poetry and prose.

He left behind his graphics work (comic strip and concrete poetry) to dedicate himself to song lyrics and to phonographic production.

[6] In 2015, Glauco Mattoso won the third place in the Oceanos Prize with the work "The First History of the World and Saccola de Feira"[7]