Leichter Leichter , known as Kogoro Daimon in the Japanese version , was a member of the Big Five . He was the former assistant to Gozaburo and later Seto Kaiba . Design . Appearance . Leichter is tall and has brown hair and dark skin . Like the other members of The Big Five , he wears a business suit . In the Virtual World , he takes the appearance of Jinzo . Personality . Leichter seems to be loyal , as he helped raise Seto Kaiba and always performed his appropriate duties as Kaiba ' s right - hand man . Although he may have only done this in the hope to gain more power . Leichter is more virtuous than the other Big Five members , as he was morally opposed to Seto Kaiba ' s deceitful schemes , while the other members often engaged in similar behaviour . Despite this , he says he doesn ' t believe in playing fair , when he went back on his word to return Tristan ' s body . He is also very polite . Voice / mannerisms . In the English dub he speaks with a Southern US dialect . His voice is slightly more robotic when he is in his Jinzo form . He tends to address people as Mr . ( surname ) . Biography . KaibaCorp . Leichter worked as an assistant to Gozaburo Kaiba at KaibaCorp . In the Japanese version , he sold weapons to foreign countries . In the English dub , he helped raise Seto Kaiba and was next in line to run KaibaCorp , after Gozaburo . On Seto ' s birthday , Gozaburo gives Seto a 2 % share of KaibaCorp ( 10 million dollars in the dub ) . With only Leichter allowed to help him , Seto was tasked to return Gozaburo 100 times ( 10 times in the dub ) the money Gozaburo lent him within a year ' s time or else he and Mokuba would be sent back to the orphanage . Seto got Leichter to use the money to buy 51 % of a company and force them to buy it back at 5 times the price ( 10 times in the dub ) by threatening to let the company go bankrupt and leave the employees jobless . Leichter , along with 4 other KaibaCorp employees formed a group known as the Big Five . Seto convinces the Big Five that Gozaburo is mistreating them and he ' ll help restore them to their former power . The Big Five agree , and thus buy 49 % of KaibaCorp . Combined with 2 % that Gozaburo had previously given to Mokuba , the Big Five vote out Gozaburo and vote in Seto as the president of the company . However , Seto quickly backs out on their deal , stripping them of their power and leaving the Big Five little more than figureheads and consultants . Duelist Kingdom . Furious over Kaiba ' s betrayal and taking his spot as successor to Gozaburo , Leichter and the Big Five strike a deal with the president of Industrial Illusions , Maximillion Pegasus , in an attempt to overthrow Seto . If Pegasus defeats Seto and Yugi Muto in Duels , then they will use their 49 % to vote Pegasus into power of the company by kidnapping Mokuba Kaiba , who has been entrusted with the security codes to the two percent the Big Five need . The Big Five later watch on their monitor the Duel between Yugi Moto and Maximilian Pegasus . The Big Five and Pegasus ' plan fails , after Pegasus is defeated by Yugi . In the manga , Leichter and the rest of the Big Five were fired by Seto and are never seen again . Legendary Heroes . In the anime , the Big Five avoid being fired by making excuses and offering Seto his complete virtual reality game as a peace offering . Eager to try out the virtual reality game , Kaiba refrains from immediately firing them and enters the virtual world . The Big Five trap Kaiba in the virtual reality . However , Kaiba is rescued by Mokuba , Yugi , Joey , and Mai Valentine . The Big Five reprogram the game and set " Mythic Dragon " as the final boss . However , it is defeated by Yugi and Kaiba ' s " Dragon Master Knight " . Virtual Realm . After losing in Legendary Heroes , the Big Five found themselves trapped in the virtual world , instead of Kaiba . Here they meet up with Noah Kaiba . Having Seto as a common enemy , they made plans for revenge . During the Battle City tournament , Noah has the KaibaCorp blimp sucked into an undersea fortress , where the virtual world ' s main servers are . They force Seto and Mokuba Kaiba , along with Yugi and his friends into the virtual world again . Using an altered set of " Duel Monsters " rules , involving Deck Master s , the Big Five Duel their enemies in the hopes of stealing their bodies to escape the virtual reality . Leichter takes the form of " Jinzo " , who he uses as his Deck Master and challenges Seto as his opponent . He claims that he did all the hard work to make Seto look good for Gozaburo and reveals Seto ' s manipulation of Mokuba when they overthrew Gozaburo , which Seto denies . Seto is originally unaware of Leichter ' s choice of Deck Master , due to his overcoat . He shows no interest in what it could be , until Leichter uses his ability to destroy Kaiba ' s Trap Card s . Seto manages to win the Duel after using " Blue - Eyes White Dragon " to destroy Leichter ' s " Satellite Cannon " . Leichter , along with Gansley , Crump , and Johnson , having failed to win their targets ' bodies , go behind Noah ' s back and attempt to steal the bodies . They chase down Duke , Serenity , and Joey . As they argue over who gets which bodies , Noah makes contact and tells them off . Since Nezbitt didn ' t rightfully take Tristan Taylor ' s body ( as he had actually lost the Duel despite defeating Tristan ) , Noah allows the Big Five to share Tristan ' s body in order to Duel Yugi . Should they win , they would get their freedom . The Big Five face Yugi and Joey , using Tristan ' s body . The Big 5 each switch control and their Deck Masters throughout the Duel . Leichter does most of the turns during the Duel , using his Deck Master to negate their opponents ' Traps and allow their own monsters to attack with " Gravity Bind " active . Leichter uses " Dragon Revival Ritual " to combine their Deck Masters into the Mythic Dragon , " Mythic Dragon " again . The dragon is destroyed by Yugi and Joey ' s " Mirage Knight " , but the Big 5 use " A Deal with Dark Ruler " to make " Berserk Dragon " their Deck Master . However , it is destroyed by " Dark Magician Knight " , costing them the Duel . Noah refused to give the Big Five any more chances after that . In the original version , Noah deleted Leichter and the Big Five . In the dub , Noah imprisoned the Big Five in the different corners of the Virtual World until it was destroyed . Deck . Anime . Leichter uses a Control Deck and utilizes a wide array of cards that lockdown the opponent ' s abilities , highlighted by his Deck Master " Jinzo " . In his Duel with Kaiba , he combines " Jinzo " with " Injection Fairy Lily " and " Imperial Order " , preventing Kaiba ' s use of Magic and Trap Card s and overwhelming him with the brute power of " Fairy Lily " . He also uses a variety of cards to replenish his Life Points so he can continue to pay them to use the effects of " Imperial Order " and " Fairy Lily " effects . This deck may represent his desire to control Kaiba Corp and win money in a similar way he controls the duel and " wins " and " invests " Life Points .