Gansley Gansley , known as Konosuke Oshita in the Japanese version , is the former Vice - President of Business Strategy of KaibaCorp and the leader / founder of the Big Five where he is the oldest of the group . Design . Appearance . Gansley is a fair skinned old man with gray hair , who is partially bald . He is short , fat , and carries a cane . He wears a double - breasted tan suit . In the Virtual World , he takes the appearance of Deepsea Warrior . He bears some resemblance to the historical figure of Ciceron , this may or not may be intentional . Personality . Gansley is obsessed with business , and as such refers to his monsters as employees . He often flaunts his knowledge of business and believes that his corporate experience gives him an advantage when it comes to Dueling . He is shown to have been unethical in his career , often firing employees as he pleased . In the dub , he gives Yugi Muto advice on business , claiming his own career as a corporate tycoon started as a child , where he stole a lemonade stand from a neighbor , and expanded that into the largest distributor of frozen canned lemonade in his region . In the Japanese version , he quotes various warlords and philosophers on how to build a successful army . In the Japanese version , Gansley knows of Yami Yugi ' s existence and refers to Yugi as Type - A and Yami Yugi as Type - B Yugi . In the dub , Gansley shows no knowledge of Yami Yugi . Gansley also enjoys making people suffer . This is shown when he had the chance of defeating Yami Yugi , but chose to " draw it out as long as possible . " Gansley ' s choice of prolonging his victory ended in his own defeat . Voice / mannerisms . In the dub , Gansley speaks with a somewhat hoarse voice . In the Duelist Kingdom arc , his voice is low . In the Virtual Realm arc , his voice deepens and is louder . Biography . KaibaCorp . Gansley worked as vice - president of business strategy at KaibaCorp . Gansley , along with 4 other KaibaCorp employees formed a group known as the Big Five . Seto Kaiba , the adoptive son of the head of KaibaCorp , Gozaburo Kaiba , convinced the Big Five that Gozaburo was mistreating them and that Setup would help restore them to their former power . The Big Five agreed , and thus bought 49 % of KaibaCorp . Combined with 2 % that Gozaburo had previously given to Seto for a test to prove his business skill , the Big Five voted out Gozaburo and voted in Seto as the president of the company . Duelist Kingdom . However , Seto quickly backed out on their deal , left them of their power and leaving the Big Five little more than figureheads and consultants . Furious over their betrayal , the Big Five struck a deal with the president of Industrial Illusions , Maximillion Pegasus in an attempt to overthrow Seto . If Pegasus defeated 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 had been entrusted with the security codes to the two percent the Big Five needed . The Big Five and Pegasus ' plan failed , after Pegasus was defeated by Yugi . In the manga , Gansley and the Big Five were fired by Seto and were never seen again . Legendary Heroes . In the anime , the Big Five avoided 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 refrained from immediately firing them and entered the virtual world . The Big Five then trapped Kaiba in the virtual reality . However Kaiba was rescued by Mokuba , Yugi , Joey , and Mai Valentine . The Big Five reprogrammed the game and set the " Mythic Dragon " as the final boss . However , it was defeated by Yugi and Kaiba ' s " Dragon Master Knight " . Virtual Realm . After losing in Legendary Heroes , the Big Five got trapped in the virtual world instead of Kaiba . Here they met up with Noah Kaiba . Having Seto as a common enemy , they made plans for revenge . During the Battle City tournament , Noah had the KaibaCorp blimp sucked into an undersea fortress , where the virtual world ' s main servers are . They forced 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 Dueled their enemies in the hopes of stealing their bodies to escape the virtual reality . Gansley took the form of " Deepsea Warrior " , which he used as his Deck Master . He chose to Duel Yami Yugi , and claimed to have perfected a strategy to defeat him . As Yami Yugi constructed a Deck , Gansley misinterpreted Yami Yugi saying " Kuriboh " , as him choosing " Kuriboh " as his Deck Master . He refused to let the Pharaoh change his Deck Master after that . Exploiting his Deck Master ' s ability to deflect attacks back at Yami Yugi , Gansley managed to get the upper hand against Yami Yugi and was about to win , but Yugi took control and used " Kuriboh ' s " Deck Master effect to save them . Yami then used " Kuriboh " , combined with " Rainbow Blessing " , allowing him to bypass Gansley ' s monsters and special ability to directly attack him with " Swift Gaia the Fierce Knight " , defeating him . Gansley , along with Crump , Johnson , and Leichter , having failed to win their targets ' bodies , went behind Noah ' s back and attempted to steal the bodies . They chased down Duke Devlin , Serenity Wheeler , and Joey . As they argue over who gets which bodies , Noah makes contact and told them off . Since Nezbitt didn ' t rightfully take Tristan Taylor ' s body , Noah allowed the Big Five to share Tristan ' s body in order to Duel Yugi . Should they win , they would get their freedom . The Big Five faced Yugi and Joey , using Tristan ' s body . The 5 each switched control and Deck Master throughout the Duel . Gansley only took full control for 1 turn . Towards the end of the Duel , the Big Five used " Dragon Revival Ritual " to combine their Deck Masters into the " Mythic Dragon " again . The dragon was destroyed by Yugi and Joey ' s " Mirage Knight " , but the Big 5 used " A Deal with Dark Ruler " to make " Berserk Dragon " their Deck Master . Ultimately , it was destroyed by " Dark Magician Knight " , costing them the Duel . Noah refused to give the Big Five any more chances . In the original version , Noah deleted Gansley along with the other Big Five members . In the dub , Noah imprisoned the Big Five in the different corners of the Virtual World , which were destroyed when the Virtual World was destroyed . Gansley ' s fate is unknown . He later appeared in a flashback . Decks . Anime . Gansley uses a Swarm / Control Deck that relies on Summon ing many monsters to use the ability of his Deck Master " Deepsea Warrior " , called " " Reflector Hole " " , which negate s an opposing attack and inflicts damage to the opponent equal to the attacking monster ' s ATK at a cost of two Tribute s . Gansley further uses control cards to limit his opponent ' s options , either depleting their hand or limiting the number of monsters they can maintain on the field .