Oh yeah, we know about Pessoa! We first heard of him through an Argentinian comic, of all things! Tried to read the poetry (including the gay one) but... poetry really isn’t our bag. Didn’t know there were novels too!

Pessoa also may well squeak by people’s notice because iirc very little of his and his heteronyms’ work have been translated into English, and he died before the codification of the diagnosis in the USA.