[1] He moved to Rio de Janeiro around 1942, starting to work in Diários Associados magazines, where he published his first characters.

[2] His greatest success, however, was the gag cartoon O Amigo da Onça, a character he drew for nearly 20 years, from 1943 until his death.

O Amigo da Onça ("The Friend of the Jaguar" in literal translation) is a cynical man whose main objective in life is to harm or tease others.

[4] The expression gained popularity with Péricles' character and is still used in Brazil today as a synonym for untrustworthy people.

[6] Getúlio Delphim and Zé Geraldo (signing together as "Equipe de O Cruzeiro") did O Amigo da Onça for two years.