Roberto Aguirre-Sacasa is an American playwright, screenwriter, and comic book writer best known for his work for Marvel Comics and for the television series Glee (2011–2014), Big Love (2009–2011), Riverdale (2017–2023), Chilling Adventures of Sabrina (2018–2020) and Pretty Little Liars (2022–present). He is chief creative officer of Archie Comics.