Kōzō Morishita began working on Saint Seiya. After Saint Seiya ended, he worked on the Dragon Ball franchise: Dragon Ball Z, Dragon Ball GT, and Dragon Ball Kai. Morishita worked the movies movies based on Akira Toriyama's manga series: Dr. Slump and Arale-chan: N-cha! Penguin Village is Swelling Then Fair, Dr. Slump and Arale-chan: N-cha! Love Comes From Penguin Village, Dr. Slump and Arale-chan: N-cha!! Trembling Heart of the Summer, Dragon Ball Z: Dead Zone, Dragon Ball Z: The World's Strongest, Dragon Ball Z: The Tree of Might, Pink - Water Bandit Rain Bandit, Dragon Ball Z: Bardock - The Father of Goku, Dragon Ball Z: Lord Slug, Dragon Ball Z: Cooler's Revenge, Dragon Ball Z: The Return of Cooler, Dragon Ball Z: Super Android 13!, Dragon Ball Z: Broly - The Legendary Super Saiyan, Dra