Marshall has worked as a writer, letterer, colorist, editor, and operations lead on projects connecting comic books, video games, films, and tabletop RPGs. A longtime advocate for great storytelling, he has been with UDON Entertainment for over 20 years and has served as Director of Operations since September 2022.

His recent credits include the Darkstalkers X Street Fighter: Lords of the Makai, the five-issue series he wrote, lettered, and edited for UDON Entertainment; John Carpenter’s Cathedral and John Carpenter’s Night Terrors: Chaplain, which he lettered for Storm King Comics; Brian Pulido’s Lady Death, La Muerta, Lady Gunfighter, and more, which he lettered for Coffin Comics.

Marshall is currently writing an original graphic novel with a publisher attached.

Outside of work, Marshall is a longtime fan of Macross, model kits, and classic tabletop RPGs, including Teenage Mutant Ninja Turtles, Rifts, and Dungeons & Dragons, and he loves to travel.