Blister Blister , known as Saiga ( 雑賀 , Saiga ) in the Japanese version , is a character from the " Yu - Gi - Oh ! 5D ' s " anime . Blister has described himself as a jack of all trades . Among his skills are the abilities to hack into databases and construct useful items . Design . Appearance . Blister has an unkempt appearance , sporting stubble . He also has short brown hair and brown eyes . His attire consists of a sleeveless , green jacket with a ripped design along the shoulders which he wears over a long - sleeved white shirt . He also wears brown pants with two belts , one of which has a Deckbox attached . In the past , Blister wore an orange neckerchief . During his trip to Satellite , Blister wore a brown fedora . Personality . Originally , Blister was a happy person , but after his friendship with Aero faltered , he developed a pessimistic outlook on friendship , valuing the company of technology and himself over others . After Yusei told him that Aero most likely sent " Machina Sniper " to him as a sign of their friendship , he began to trust in bonds again , even risking himself getting arrested to assist Yusei . Biography . History . Blister was a successful Tag - Team Duel ist alongside a man named Aero in the Exhibition League . However , they had reached the end of their growth as a team and Saiga sought to end their tag - team to reach higher , but could not figure out how to do it without hurting his friend . During one Duel , a collision with their opponent ' s Duel Runner resulted in the sidecar being separated from Blister ' s Duel Runner . Despite his best efforts , Blister couldn ' t reach Aero in time before he crashed into a tower which resulted in an explosion , crippling Aero in the process . It turned out that Aero had risked his life in an attempt to save the " Machina Sniper " card that was so dear to the both of them . The card was later sent to Blister , but he saw it as a spiteful message for walking out on Aero . Fortune Cup . After Yusei defeated Mr . Armstrong , Bolt Tanner gave him the " Giant Ushi Oni " card , telling him that if he shows it to Blister in Bootleg , he ' ll lend him a hand . Doing so , Yusei ended up being followed by Rex Goodwin ' s men . After finding the bar , Yusei showed the barman Bolt ' s card and he arranged for Blister to meet Yusei outside . Blister then appeared on his Duel Runner , collecting Yusei and jamming his criminal mark in the process so they wouldn ' t be followed . After arriving at his apartment , he told Yusei that he needn ' t worry about payment as Bolt had already paid him before entering The Facility . When he found out Yusei intended to infiltrate the Security storage warehouse , he was shocked , but agreed to help anyway , developing a fake persona alongside an ID card and an outfit for Yusei to use to gain access to the building . After Yusei found a picture of him from the past and asked him about it , he scolded Yusei for touching his stuff without permission . Blister later chides Yusei after finding out he was risking so much for friendship . Ignoring this , Yusei exited his apartment without saying anything . He then noticed Tetsu Trudge following Yusei . After Yusei had been locked into the warehouse by Sector Security , Blister called Yusei , telling him to drive toward an elevator shaft . Blister destroys the elevator doors , allowing Yusei to free fall down the shaft to the bottom floor , allowing him to escape . He later joins Yusei in the building , kicking Trudge and knocking him off of his Duel Runner in the process . After Yusei reassures him that Aero sent " Machina Sniper " in an attempt at salvaging his friendship , he realized how much of a fool he had been . When Yusei defeats Trudge with " Turbo Warrior " , he begins to ram his Duel Runner into Yusei in an attempt to stop him . Seeing this , Blister intercepted which caused the two of them to crash . He then told Yusei to carry on . Blister managed to escape and wondered what Yusei was going to do while in Tops . Blister later accommodated Yusei in a back - alley condominium where he ' d be able to live during his stay in New Domino City . He then apologizes to Yusei , informing him that his marker jammer ' s effects have worn off , meaning that Yusei ' s marker is transmitting his location to Sector Security , but Yusei says that he doesn ' t care with Blister saying he has " nerves of steel " . Upon asking Yusei why Sector Security is so interested in him , he finds out that they ' re forcing Yusei to enter the Fortune Cup with his friends being used to blackmail him into doing so . He then asks Yusei if he can borrow the photo of his friends , stating that he ' s going to see how they ' re doing . After Bolt and Tenzen Yanagi arrive , Blister spectates the Duel between Yusei and Bolt , thinking to himself how amazing Yusei is for what he ' s done , befriending him and Bolt included . He was shocked when Jack Atlas arrived . He later informs Yusei that he ' s struck a deal to be able to go to Satellite and to leave it to him whilst he deals with the Fortune Cup . When the bystanders began to run out of fear when the Black Rose appeared , he told the others that they should run , but they were struck by one of the vines from the attack of " Black Rose Dragon " before they could do so . Blister also took interest in the reaction that the witch gave when she saw Yusei ' s birthmark , shocked to hear that she may too also be a Signer . After arriving in Satellite , Blister traveled to the black market with his contact who advised him to be on the lookout for Security . Blister then managed to locate Yusei ' s hideout but no one was there with there being signs of a struggle . He then contacted Yusei to inform him of this , telling him that he ' ll continue his search throughout the rest of Satellite as his friends weren ' t logged into the Security database . Dark Signers . When Yusei returns to Satellite to visit his friends , Blister was at his hideout too . He later enters the B . A . D . area of Satellite alongside Yusei ' s friends in order to visit Crow ' s hideout , noticing the Daedalus Bridge on the way . At the hideout , he discussed the Dark Signer s with Yusei and listened to Crow ' s story about the legendary man of Satellite . After Yusei and Crow left in order to find Dark Signers , Blister stayed behind with the orphans whilst Yusei ' s friends looked for him . After Yusei was critically injured by Kalin Kessler and his " Earthbound Immortal Ccapac Apu " , his friends salvaged his Duel Runner and attempted to take it to Martha ' s house , but on the way , they were tricked by criminals who attempted to steal it . Blister posed as a Sector Security officer , shining a light on the criminals who ran away , leaving the Duel Runner . He returns with Yusei and the rest of the Signers when they return to Satellite to take on the Dark Signers and is there to witness the fall of Martha , Yusei ' s foster mother . Pre - World Racing Grand Prix . Following the defeat of the Dark Signers as well as Rex Goodwin , Blister meets up with Yusei again when he , Jack and Crow hear about the story of Bashford . World Racing Grand Prix . Blister is present with Lazar , as Lazar leaves his family at Martha ' s refuge . Ark Cradle . After hearing about the news of the Divine Temple , Blister manages to find an old school bus which ran on fuel rather than Ener - D , allowing him to transport Martha , Dr . Schmidt , Lazar ' s family and the orphans away from New Domino City . In episode 150 , he , Martha , Dr . Schmidt , and all Marha ' s children are cheering for Yusei . Bonds Beyond Time . Blister appeared alongside Yusei ' s other friends when he thought about all of the people who are supporting him . Decks . Anime . The only known card in his and Aero ' s Deck is " Machina Sniper " . Video games . In " " , Blister uses a " Machina " Deck titled Sprint ! Machiners ! In " " and " " , Blister uses a Machina Deck titled Blister ' s Machiners . In " Yu - Gi - Oh ! 5D ' s Duel Transer " , Blister uses a Machina Deck titled Machiners