JYamauchi is a Japanese director and producer of animated film series. He began his career directing the two parts of the TV anima series Kikô Kantai dairugger XV (1982), and is most famous as a director of Dragon Ball Z films: Dragon Ball Z: Broly - The Legendary Super Saiyan (Doragon bôru Z 8: Moetsukiro!! Nessen retsusen-chô gekisen, 1993), Dragon Ball Z Gaiden: Saiya-jin Zetsumetsu Keikaku (1993), Dragon Ball Z: Broly - Second Coming (Doragon bôru Z 10: Kiken na futari! Sûpâ senshi wa nemurenai, 1994) and Dragon Ball Z: Fusion Reborn (Doragon bôru Z 12: Fukkatsu no of fyushon!! Gokû to Bejîta, 1995). Afterwards he directed Digimon: The Movie (2000) and several parts of the Digimon series Digimon: Digital Monsters (2001). One of his last works is the anima TV series Dream Eater Merry (Yumekui Merry, 2011).