Shark’s very first acquaintance with Quattro is at the fresh Federal Duel Routine, in which he was Shark’s challenger from the last fits, he claimed of the disqualification. The guy gets Shark’s address of revenge when he showed that he lay Shark up to possess disqualification by the setting his Deck making sure that Shark often see they, and you may was one accountable for Rio’s wounds.  Shark joined the nation Duel Carnival getting payback toward Quattro, spending more often than not searching for him. When they carry out see, Quattro requires fulfillment away from mocking Shark and you can provoking your, because try part of the their family members’ intentions to use Shark to make their hatred grow.  
Faker rather than your. During the WDC cluster, Quattro encountered Shark from fury, in order to build a whole lot more frustrated when Shark teased him before you leave.  About finals, it proceeded to help you induce both as Quattro added Shark so you can the newest “Magma Career” because of their rematch Duel.   Away from frustration, Quattro savagely Dueled against Shark to display their dad that he was a lot better than your.  Shortly after Quattro destroyed in order to Shark, the guy apologized to possess his misdeeds and you will trusted Shark towards the activity out-of defeating Vetrix, and that only frustrated Shark. His payback and frustration upcoming shifts so you can Vetrix, when he is the person who orchestrated the whole thing. 
Shark later reunited which have Quattro as he came to let him which have Duel against Chironex and teamed up him. The two rivals arranged a quantity of companionship, although they often exchanged insults to one another, and therefore produced Trey commented it was hard to figure out once they had been to your good or crappy words.   Whenever Shark sided to the Barians because the Nash and you may broke his securities having humanity, Quattro is determined so you can Duel from the simply individual the guy entitled a pal in check heal new bonds Nash once had.  Immediately after Nash displayed just how Quattro’s partners perished within Duels which have this new Barians, Quattro is disgusted on what lengths Nash got fallen and approved that he is no further Reginald.  Regardless if Quattro attempted one final time to locate “Reginald”, right back he had been unproductive, so that as their soul on course with the Barian World, this new opponents quote a sad goodbye to one another, which have Nash promising to participate Quattro for the Hell adopting the battle concluded.  Although not, it getting family again immediately following Yuma and you will Astral’s duel.
Dumon [ modify ]
Throughout the their tenure as Emperor of the United Countries of your Poseidon Ocean, he previously befriended a knight out-of some other empire. That it knight, Dumon, has been around since romantic having Nash, swearing to guard and you may challenge near to your and his awesome opponents. 
Its relationship even proceeded on to their next lifestyle, in the event the a couple boys was actually reincarnated because the Barians where Dumon do consistently serve Nash once again. Even with Nash had allegedly vanished throughout the Barian business, Dumon (now chief of the most other Barians) stored about the guarantee their leader would return someday. Just after Vector had mentioned the possibility of the lost frontrunner becoming on earth, Dumon turned into absolutely computed to obtain and give his leader back.  
Immediately following they became obvious one Nash was in fact the human Shark, Dumon was able to convince your it absolutely was his fate to get in on the Barians, and finally Nash had joined up with him https://datingranking.net/fr/lgbt-fr/ again. 
Vector [ change ]
Shark and Vector are perhaps arc-enemies; with a common hatred comprising far-back into old earlier. Inside their previous life, Vector try the fresh Prince of the nation one to invaded the fresh United Places of your Poseidon Sea, which had been governed from the Shark’s earlier lives– Nash. So it produced Vector yourself accountable for slaughtering Nash’s Kingdom playing with his beast army. For the a more individual level, Vector’s attack forced Nash’s brother Marin so you’re able to give up herself to summon the sea Goodness Crystalzero, which had been a source of astounding suffering having Nash. When the one or two was basically at some point renewed due to the fact Barians, the true memories had been closed aside of the Don Thousand, and so the duo didn’t admit each other straight away. Although not, their mutual hatred enabled even within their the newest identities, Nash hating Vector to own his ongoing defiance. Vector sooner ran as far as to determine an effective “Point system” per big date Nash enraged him (and you will seriously everything you Nash told you otherwise did crazy your), finally choosing to betray his frontrunner on one hundred,one hundred thousand,100000 products.