Gregorio Byington Duvivier is a Brazilian actor, comedian, screenwriter, author, and political commentator. He graduated with a degree in literature (Letras) from the Pontifical Catholic University of Rio de Janeiro (PUC-Rio). His early professional training developed over a decade at the Tablado theater school, leading to the co-creation of the improvisational theater show Z.É. - Zenas Emprovisadas. He achieved widespread national recognition as one of the primary co-founders, writers, and performers of Porta dos Fundos, a digital comedy production company that became a major satirical platform in Brazil.Duvivier's professional output spans multiple media formats, including poetry volumes, long-form non-fiction books, and regular opinion journalism columns for major press outlets. His cinematic and television work includes roles in Brazilian feature films and the writing of international productions. Between 2017 and 2023, he hosted Greg News on HBO, a weekly late-night satirical news program focused on Brazilian politics, institutional compliance, and socioeconomic issues.

Filmography

• 2026Porta Pró Milhão
• Não Importa
• 2025O Brasil Que Não Houve - As Aventuras do Barão de Itararé no Reino de Getúlio Vargas — Narração
• 2025Pensamentos Intrusivos: O Filme — Producer
• 2025Stand Up e Anda — Personal agent
• 2024Noah's Ark — Alfonso (voice)
• 2023Nas Ondas da Fé — Maître
• Back to 15 — Denis Ferreira
• 2022O Espírito do Natal
• 2022Pluft, o Fantasminha — Apresentador
• 5x Comédia
• A(u)tores
• Futuro Ex-Porta
• 2021Te Prego Lá Fora — Jacó (voice)
• 2020The Edge of Theocracy — Apresentador do Jerusalém Alerta
• 2019Invisible Life — Antenor
• Refrigerantes e Canções de Amor — Geek
• 2019The First Temptation of Christ — Jesus
• 2018Encantado, le Brésil désenchanté
• 2018Idioma Desconhecido — Ele mesmo
• 2018The Last Hangover — Judas
• Greg News — Himself, Creator
• Society of Virtue
• 2016Love Stories — Eduardo / Duca, Writers' Assistant
• 2016Porta dos Fundos: Contrato Vitalício — Miguel
• 2016Refrigerantes e Canções de Amor — Geek
• 2015Secret Santa — Mauricio
• The Great Gonzalez — Gerardi, Writer
• Refém
• Viral — Beto
• 2013Giovanni Improtta — Adriano Soares
• 2013I Have No Idea What I’m Doing With My Life — Marcos
• 2013O Concurso — Script Consultant
• 2013Porta dos Fundos - Vol. 1 — Various
• 2013Vai Que Dá Certo — Vaguinho
• 2012Kings & Rats — Nélio
• Louco Por Elas — Writer
• 2012O Diário de Tati — Bidú
• Porta dos Fundos — homem, Writer, Script, Creator
• The Brazilians — Júlio, Writer
• 2011Any Stray Cat — Hippie
• 2011Consideração do Poema
• 2011Heleno — Locutor 2 (Z.É)
• 2011Não Se Preocupe, Nada Vai Dar Certo! — Lalau Velasco
• States of Grace — Afonso
• 2011The Man from the Future — Engravatado 1991
• 20105x Favela, Now by Ourselves — Edu
• 2010Chico Xavier — Oftalmologista
• Junto & Misturado — Multiple characters
• The Cariocas — Writer
• 2009Adrift — Lucas
• 2009The Invisible Woman — Gerente do Cinema
• 2009Vida de Balconista — Gregório
• 2008That's It — Ele
• O Sistema — Professor Avenarius / Silas P.
• 2007Podecrer! — Marquinho
• Alta Estação — Umberto
• Snakes & Lizards — Homem que Madá engana
• O Zelador
• The Caretaker — Santi

Appearances as themselves (10)

• 2024Reading Again Graúna — Self
• Tudo o Que Não Precisas de Saber Sobre Quase Tudo — Self
• Humor 101: Brazil — Self
• LOL: Last One Laughing Brazil — Self - Contestant
• Que História é Essa, Porchat? — Self
• 2018O Labirinto da Saudade — Self
• Lady Night — Self
• 2017Life in Gray — Himself
• 2016Brazil: The Great Jump Backward — Himself
• O País do Cinema — Self