Arvid Nelson is a writer who first came on the comic book scene with Rex Mundi. He has also created spin-off stories, including "Hill of Martyrs" which started in Rex Mundi #14 and continued online. Nelson has also worked at Marvel and DC. For the former he wrote a Nightcrawler story in X-Men Unlimited. At DC he wrote a Mr. Terrific story in JSA Classified and the first one-shot of the The Joker's Asylum series. One major literary influence is Robert E. Howard and Nelson has worked on a Kull limited series at Dark Horse Comics as well as the Thulsa Doom limited series for Dynamite!