Theomachy is a Künstlerroman piece of literature written by Koukishi. The story centers on the conflicts between the Saiyans and the Tuffles, from early encounters between the two races to the full-out war over Planet Plant. Throughout this tale, light will be shed on many important events of the Saiyan-Tuffle war, and additional background will be provided for Tuffle characters, such as Baby and Dr. Raichi, present in the original series.