Petr Placák (born 8 January 1964 in Prague[1]), also known under pseudonym Petr Zmrzlík, is a Czech writer.

During the communist regime in Czechoslovakia he published his works in samizdat.

[2] He was clarinettist in the Plastic People of the Universe since 1983 and recorded two albums with this band: Hovězí porážka (1982) and Půlnoční myš (1986).

Later he worked as a journalist for many newspapers, such as Respekt and Lidové noviny.

This article about a Czech writer or poet is a stub.