文豪 (wénháo): literary giant

文豪 is a heavyweight term — reserve it for canonized greats (Lu Xun, Tolstoy, Shakespeare). For a merely popular or skilled author, use 作家 (zuòjiā, 'writer') or 名作家 (míng zuòjiā, 'famous writer'). Calling a contemporary novelist 文豪 sounds like fan hyperbole.

In Pop Culture

文豪野犬 Wénháo Yěquǎn

Bungo Stray Dogs

Hit Japanese manga/anime where characters bear the names of real Japanese 文豪 (Dazai, Akutagawa, etc.) and wield powers based on their works — title literally 'literary-giant stray dogs.'