Kevin Eastman is the co-creator, with Peter Laird, of the Teenage Mutant Ninja Turtles, a pop-culture juggernaut that appeared in 1984 and has since spawned four animated television series, six feature films, countless toys, and numerous comic-book series, the most recent of which is published by IDW and is the longest running to date. Eastman lives in San Diego with his wife and son.

Tom Waltz is a former active-duty U.S. Marine, Desert Storm vet, and former California National Guard military policeman. He is an editor for IDW Publishing and the writer of critically acclaimed comics and graphic novels, including Teenage Mutant Ninja Turtles; The Last Fall; Finding Peace (with Nathan St John); the Silent Hill books Sinner's Reward, Past Life, and Anne's Story; and others. He has also written for video games, including Silent Hill: Downpour, Ghostbusters: Sanctum of Slime, and the TMNT games Brothers Unite and Mutants in Manhattan. He grew up in Clinton, Michigan, and lives in San Diego with his wife and two children.