In 1976, Glauco moved to Ribeirão Preto and, after being discovered by journalist José Hamilton Ribeiro, published his first works on newspaper Diário da Manhã.
In 1984, invited by Angeli, he began publishing at the Ilustrada section of newspaper Folha de S. Paulo, where first appeared several of his characters, including Geraldão (created in 1981 after a reading The Teachings of Don Juan – a Yaqui way of knowledge by Carlos Castaneda).
With an acid humor, quick jokes, clean traces Glauco contributed to the modernization of Brazilian cartoon in the period coinciding with the advent of a generation of post-dictatorship.
His subject was the daily life and its degradation, with topics such as marital problems, neurosis, loneliness, drugs and urban violence.
Adriano Silva Guimarães, the man suspected of Carlos Eduardo's murder, was killed in a shootout with police in January 3, 2024.