The History of Armadillamingkat (突然変異艦隊Xマーモル エピソード A, Totsuzenheni Kantai Ekkusu-Māmoru Episōdo Ei, or "Mutation Squad X-Mammal: Episode A") is a fanfiction written by LDEJRuff, acting as both a joint venture prequel OVA to both Flame Icejin and X-Mammals and a sequel to the Timon & Pumbaa episodes "Monster Massachusetts" and "Mook Island".