The phrase "about the protagonist of" is correct and usable in written English.
It can be used when discussing or describing the main character in a story, book, film, or other narrative forms.
Example: "This article is about the protagonist of the novel and explores their motivations and challenges throughout the plot."
Alternatives: "regarding the main character of" or "concerning the lead character of".
Well, it depends on whether you are talking about Amanda, the protagonist of A. R. Gurney's new play, "Buffalo Gal," who journeys east to appear in Chekhov's "Cherry Orchard," or Susan Sullivan, the actress who is playing Amanda.
Tell us a bit about Hilary Cantor, the protagonist of Everything to Lose, her single mistake, and the predicament she then faces.
"Any delusions I once had about me being the protagonist of some predestined epic quest have gone the way of boy bands".
Salinger added that he was working on a play about Holden Caulfield, the protagonist of his story "Slight Rebellion off Madison", and hoped to play the part himself.
Both are philosophical novels; The End of the Road continues with the conclusions about absolute values made by the protagonist of The Floating Opera, and takes these ideas "to the end of the road".
She is acute and sophisticated about the workings of innocence; the protagonist of this novel about growing up has no idea just how much of it she has left to do.
Will, the protagonist of "About A Boy," drinks Cerveza Clara.
A brief demo video (below) highlights some of the functionality that the Project Glass specs aspire to provide: the protagonist of the video goes about his daily life aided by the glasses, which displays a circle-based UI that provides real time information like and weather and transit when needed.
A similar naïveté about the scope of science undoes the protagonist of "The Phrenologist's Dream".
Midway through the novel, and comprising a fifth of the whole, is a self-contained novella, "The Anthill Chronicles", which purports to be an undergraduate biology thesis by the protagonist of "Anthill", about the rise and fall of four ant colonies in a tract of forest in southern Alabama.
