Jinzo is a minor villain in both Yu-Gi-Oh! and Yu-Gi-Oh! GX. In the original Yu-Gi-Oh!, Jinzo was a card used by Espa Roba in a duel with Joey, and Lector used Jinzo as his Deck Master. In Yu-Gi-Oh! GX, Jinzo was a duel spirit that plans to enter the real world by stealing the souls of the three who attempted to summon him.