I’ve never run into one myself. ProleWiki/Lemmygrad user Wisconcom was before my time.

A self-proclaimed Hoxhaist (although he would later start calling himself a Marxist-Leninist-Maoist, anti-revisionist, or a Marxist-Leninist-Stalinist… and eventually claimed he was never a Hoxhaist as Hoxhaism “does not exist”) […]