Anthony has written extensively for different mediums. He was a contributing writer for SuicideGirls and the Comedy Film Nerds websites, and had a blog called Stop All Monsters. Anthony is also a television writer. He has written on AMC's Talking Dead, Between Two Ferns with Zach Galifianakis, Pretend Time, and The Greg Behrendt Show He wrote on Maron for three seasons. He also directed one episode, as well as appearing as an recurring actor. He was nominated for a WGA Award in 2015 for a Maron episode he wrote titled "Racegate."
Anthony has performed stand-up all over the world, including the Melbourne International Comedy Festival in 2015, where the Herald Sun gave his show Hot Head a 4 star review and called it "Hugely Enjoyable." In 2015, he also appeared on the nationally televised Cracker Night as part of Sydney Comedy Festival 2015. He has released two comedy albums, Hot Head and Shame Chamber. He frequently performs around Southern California.
On July 9, 2015, the history website and podcast Damn Interesting posted an open letter titled "A Special Note to the Writers at The Dollop", accusing Anthony of plagiarizing Damn Interesting's original content for use on The Dollop. The post included a 2,670-word example of text Anthony plagiarized primarily from Damn Interesting, with smaller portions taken from KnowledgeNuts and Slate. In response to these allegations, Anthony stated on Reddit that "historical facts are not copyrightable".