Acrobat and clown Harris. He comes from the sixth generation of the Queirolo family from Uruguay. His parents are José Queirolo and Petrona Salas. He debuted on the circusring at eigh after rehearsing with his master and uncle, Alcides Queirolo. Julián performed in the circuses Hipodromos Circus, Ringling, Albert Schumann, Wintergarten and in the Teatro Amazonas, in 1917. In 1942, he became the owner of Circo Irmãos Queirolo and Pavillion Carlos Gomes.