Petr “NASTY” Cerha is the moderator of Evropa 2, Czech Television, TV Óčko, TV Prima Cool. He has worked very successfully on the show Na stojáka. Together with Endru, he moderates the show Vertikal about outdoor sports on ČT4.
He was part of the first beatbox album Beat Apetit / Fany Nasty by Jaro Cossiga.
He finished in the top ten at the superstar format competition in New York / Harllem / Apollo. He became the 2009 world runner-up with the group Beatburger band.