Mary Claypool is a veteran ADR, script, and publication writer who began her anime writing career in 1994 under the banner of L.A. Hero. Her first English script adaptation was episode three of Giant Robo. From there, Mary went on to write hundreds of dubbing scripts for Anime features, series, and games including Armitage III (OVA), Armitage: Poly Matrix and Dual Matrix movies, Battle Athletes, Big O, Bushido Blade, Castle of Cagliostro, Catnapped, Code Geass, Cowboy Bebop, Devil May Cry, Dot Hack, El Hazard, Ghost in the Shell, GitS: Innocence, Solid State Society, and Stand Alone Complex (52 episode series), Kekkaishi, Key the Metal Idol, Laws of the Universe Part 0 (Co-Writer), Legend of Black Heaven, Silent Bomber, Streetfighter II: The Animated Movie, Tsukikage Ran, and Wings of Honneamise.

Mary has also written English dubbing scripts for foreign live action projects released by various companies, including Disney and Netflix and was most recently writing scripts for Lupin III.