Espa Roba Espa Roba , known as Esper Roba in the Japanese version , is a Duelist who claims to have . In reality he is a fraud who uses his younger brothers to spy on and reply back to him the cards in his opponent ' s hand , thus allowing him to ' predict ' the opponent ' s strategies almost before they perform them . Design . Voice and mannerisms . In the Singaporean English dub of the anime , Espa Roba has a Spanish accent . Etymology . Both his English and Japanese names are derived from , or ESP for short . Biography . Espa made his first appearance in a cameo in Battle City and has made several ever since . Espa was a young Duelist who entered Battle City to uphold his reputation and protect his younger brothers . He was first shown defeating Rex Raptor and taking " Serpent Night Dragon " . Rex advised Joey Wheeler not to Duel Espa on the grounds that his psychic abilities allowed him to read all the cards in his hand . With an air of self - confidence , Joey accepted the Duel . Although Espa initially gained an advantage due to the fact he knew what cards were in Joey ' s hand and on his field , Joey inferred what was happening and attempted to confuse his watchers from above by putting the cards " Skull Dice " and " Graceful Dice " close to each other . Mokuba Kaiba eventually discovered the source of Espa ' s " psychic " abilities ; his brothers spied upon Joey ' s hand from upon a high rise building . However , the brothers pleaded with Mokuba to let Espa continue with the Duel , stating that he was a strong Duelist despite his cheating ways . The psychic front was to build an impression of an unbeatable Duelist and thus deflected any abuse that was usually heaped upon Espa and his brothers , they were heavily bullied due to being carnival folk before . To Mokuba , this situation paralleled his brotherly relationship with his older brother , Seto and he let Espa continue the Duel . Due to this , Espa ' s psychic reputation was tarnished , but he continued his Duel with Joey nevertheless . Espa eventually Summon ed " Jinzo " , who severely crippled Joey ' s overall strategy . Finally , Joey activate d " Roulette Spider " which forced " Jinzo " to attack a random card on the field , " Jinzo " attacked " Reflect Bounder " , who then reflected the assault back on " Jinzo " , destroy ing them both , causing Espa to lose the Duel . Due to the Battle City regulations , Espa forfeited his rarest card , " Jinzo " , to Joey upon his defeat and commented that he was ready to stand up for his brothers without cheating . He was later seen observing the semifinal match between Yugi and Kaiba in Domino City amongst other Duelists . Espa made a cameo in the Japanese epilogue , appearing to challenge Mako Tsunami to a Duel . Yu - Gi - Oh ! 5D ' s . In " Yu - Gi - Oh ! 5D ' s " , a parody of him named Esper Rouba is listed as one the Duelists defeated by Hunter Pace . Deck . Anime . Espa Roba plays a Psycho Deck , relying on Machine - Type monsters and Magic and Trap cards that allow him to manipulate enemy monsters . His key card is " Jinzo " , which he strengthens with " Amplifier " . Video games . World Championship 2004 Deck . Espa ' s Decks usually focus on Summoning " Jinzo " .