Hattori

Hattori was first introduced in the Duel Masters Versus season of the Duel Masters Anime.

Plot
He was a dueling ninja. He kidnaps Sasori and retreated,telling Kojiro to meet him at his base. He returns to greet his lord and prevented Sasori from escaping. When Kojiro and Kaeru reached the base,he defended his lord and quickly build a Darkness deck in an instant,using the cards from his lord's vault. He demonstrated his ninja way of dueling to Kojiro and his 3D Dragheart card.He managed to overcome Kojiro's Hellsekai, Great Massacre,but Kojiro managed to use his shield trigger to conduct 3D Dragon Solution again,which causes him to lose. Kojiro tell him that both of them will meet again in the Duel Masters National Tournament.

Deck
Like Kojiro, he uses a Darkness Civilization deck centered around Demon Command Dragons and Funky Knightmares. His strategy revolves around destroying his opponent's creatures and summoning more creatures from his graveyard.