Who is the real singer of papa americano?

The real singer of the song "Papa Americano" is the Brazilian composer and singer "Jair Rodrigues". The song was written by Luiz Carlos Sá and Antônio Adolfo. "Papa Americano" was released as a single in 1973 and became one of the most successful songs of Jair Rodrigues' career, reaching the top of the charts in Brazil.