Bandit Keith Bandit Keith is the former U . S . Duel Monsters Champion . He was so successful in this profession that his reputation earned him the nickname " Bandit Keith " . Keith is one of the secondary antagonists ( along with Yami Bakura ) of Duelist Kingdom arc because of his grudge against Pegasus and his actions against Yugi and his friends . Biography . History . During the final round of the Intercontinental Championship tournament in New York City , Keith was up against Maximillion Pegasus , who used his Millennium Eye to read Keith ' s mind and predict his moves . Afterwards he wrote something down on a piece of paper and calls over a boy named Sam from the audience . He tells the boy to Duel against Keith using the instructions on his note . Using it , Sam defeats Keith in one turn . Keith , shocked and humiliated at being defeated by a child , fell into depression . He later sneaks into Duelist Kingdom to defeat Pegasus and reclaim his glory . " Yu - Gi - Oh ! " . Duelist Kingdom . In Duelist Kingdom , he trained three Duelists ; Zygor , Sid and Bonz . He had Bonz Duel Joey Wheeler and lent him several rare cards , including " Call of the Haunted " , to strengthen his Deck . Although Keith directed nearly all of Bonz ' s moves , he still lost . Afterward , Keith called Bonz a loser and ignored Joey ' s challenge for a Duel face - to - face . After leaving the arena , Keith trapped Joey , Yugi Muto and their friends in the cave , then attacked his own minions and stole their Star Chips , giving him enough to enter the castle as the first finalist . Later , Keith was surprised to see Yugi and Kaiba on one of the castle walls . Keith later Dueled Joey in the semifinals , using a Machine Deck . His Machine cards had superior firepower and immunity to any magical attacks . Keith cheated by pulling cards out from underneath his wristband to power up his monsters , but Joey still won . Afterwards , Keith , refusing to accept defeat , claimed that Joey should be disqualified since the card he used to enter the semifinals was not his . Joey admitted that Mai gave him her card , but then asked how Keith knew that his card didn ' t belong to him . Pegasus chuckled and explained that Keith obviously stole the card , citing Keith ' s certainty that Joey would not be able to find his entry card , as evidence . Joey said that Keith should be disqualified , and Pegasus agreed , not just because of his thievery , but for " improper behavior taking place during the match " - namely , the cards beneath his wristband . Pegasus ordered his security guards to take Keith away . However , Keith broke away and confronted Pegasus . He pointed a gun at his head ( the gun is removed in the dubbed anime ) and demanded the prize money . Pegasus mocked Keith , saying that he had sunk to being the worst criminal scum since their Duel in America . Keith stepped forward , but Pegasus hit a hidden button on the floor with his foot , causing the floor beneath Keith to fall away , and dumping him into the ocean . Battle City . While struggling against the ocean currents , Keith was rescued by Rare Hunter s , and fell under the control of Marik Ishtar . Disguised as a fortune teller , Keith asked Yugi Muto if he could see his Millennium Puzzle . When Yugi handed it over , Keith stole it and fled to a hidden arena . Chaining the Puzzle to the arena , Keith said the only way for Yugi to reclaim it was to Duel him . ( In the English anime , Marik had Keith Duel Yugi to win the Puzzle for him . In the Japanese anime , Marik had Keith Duel Yugi in the hopes that Dark Yugi would appear . ) Although Keith was hooded , Yugi deduced his identity from his Machine Deck . At this point , Marik revealed that he and his Rare Hunters rescued Keith and took him under his control . Keith ' s Deck , augmented with rare cards , added by the Rare Hunters , as well as him hiding cards under his robe ' s sleeves , begins to overpower Yugi . However , the Duel was watched by Yami Bakura , who sensed the dark energies from Keith and realized he had been hypnotized . Refusing to let Yugi lose and forfeit the Puzzle , which he wanted for himself , he used the Millennium Ring to break Marik ' s control of Keith . While Marik and Keith struggled for control , Keith shattered the Puzzle against the console ( In the English anime , he does this because Marik commands him to . In the Japanese anime , Keith does it himself because he thinks the voice trying to control him is the spirit of the Puzzle . ) Yami Bakura then swung down , knocking Keith off the arena . While Yami Bakura left Yugi to put the Puzzle back together , Keith hallucinated that Marik was nearby , giving him orders . Grabbing a length of pipe and attacking the images , Keith shattered the arena power unit , causing a fire . While the building burned , Joey and Tristan broke down the door . Terrified , Keith ran past them , claiming the arena was haunted . Waking the Dragons . Keith ' s " lost soul " was seen when Yami Yugi ventured to find his other half and when Yami , Kaiba and Joey entered Dartz ' s lair . " Yu - Gi - Oh ! 5D ' s " . In " Yu - Gi - Oh ! 5D ' s " , a parody of him named Pirates Keith was listed as one the duelists defeated by Hunter Pace . Decks . As a professional Duelist , Keith has a large number of Decks which he keeps hidden inside of his jacket , consisting of several different Deck themes . During his time is Duelist Kingdom , he lends several cards to Bonz to fortify the young Duelist ' s Zombie Deck ( including " Zanki " and " Crawling Dragon " ) , although Keith ' s Main Deck consists of all sorts of Machine s as well as handful of Fiend Type Monsters . In his Duel with Yugi , he also uses rare and powerful cards provided by the Rare Hunters , including the legendary " Zera the Mant " . Despite his reputation , he cheats by hiding cards in his wristband . Similarly , when he wears the Rare Hunter robes , a claw mechanism feeds cards directly to his hand . Because the Duelist s are so far from each other when Dueling at an arena , Keith ' s opponents rarely realize he is cheating .