Noah is Rex’s greatest people buddy. In the event it is revealed that he was hired to be their buddy, Rex punched Noah inside anger, apparently stop its relationship. Although not, shortly after rescuing Noah, he chose to accept that Noah actually wished to become his buddy.  Rex often confides in Noah regarding their issues, including their insecurities regarding the killing EVOs, and his awesome crush for the Circe. Rex however holds some anger of their betrayal, commenting you to definitely Noah enjoys lied so you can your in the past. 
Rex and you may Noah are aggressive, with symptoms, paying attention solely involved.   The 2 were fairly equally matched, and Rex tends to eliminate the usage his EVO efforts throughout their suits, presumably away from fairness. Which victories is commonly kept uncertain: onetime, Rex appeared courageous, however, simply managed to make it completed with the help of their efforts.  not, because the found before, Noah is obviously new superior prankster, in which he efficiently humiliates Rex into a big measure, however, ultimately, their date that have Claire is still destroyed. Rex even shown to Bobo his frustrations in the Noah, who he thinks is actually, amongst anything else, wiser than just they are and much advanced during the basketball.  Since the claim regarding basketball are immediately verifiable, it’s value detailing that Noah largely underestimated Rex’s intelligence. 
Rex are more easy-going than Noah, often with the latter’s chagrin. In one single situation, Noah became mad one to, even after his finest operate to review, Rex insisted towards lying on the his chair and enjoying a detergent opera. After, Noah turned such as stressed by the possibility shedding his employment, when you are Rex was previously once again are distracted because of the same detergent opera.  Noah in addition to has a tendency to score sick and tired of Rex to have not really reading a website webpage for a lengthy period to see this new the “rock event” ended up being an excellent geologist discussion.  Rex merely responded it was an error somebody have produced. 
Its dating never ever started out better. not, regardless of if Light Knight’s natural purpose would be to eliminate Rex, he has got each other mature together because loyal lovers and you may asset to help you Providence. His strict legislation and you will rules constantly attracted Rex so you’re able to disobey and you can break the rules facing Light Knight, and you will brought about Rex to not be therefore attracted to their feelings.
Hardly, occasionally Rex and you may White have emerged congratulating for every other because of their teamwork. After being sent toward coming Providence, the guy observed White’s intense takeover and even accepted so you’re able to shed him. 
Dr. Gabriel Rylander are a scientist whom labored on brand new Nanite Opportunity together with Caesar, Rafael, and you may Violeta Salazar. He was presumably a friend of your own Salazar family members due to the fact he had been the one who got provided Rex their label. The guy including is one of several boffins you to turned into Rex on an EVO to conserve his lifetime. Adopting the Nanite Experience, Rylander vanished together with spouse and you can child for five age. Providence arrive at choose his formula you to triggered nanites so you can contrary professional it. Whenever Rex heard of Rylander’s disappearance together with his relatives the guy imagine Rylander are their father. But not, as he found Rylander he learned the guy was not their dad. 
Put, Skwydd, and you will Cricket was Rex’s team following the Nanite Event, and then he generated them on the anything out of children. However, he previously entirely forgot about them due to their thoughts lapses up to he came across her or him once again. Cricket, truly the only females member, got a great break on your, but Tuck said Rex was often also thicker to see or pretended to not ever. Having causes yet told me, the guy given up their relatives to an enthusiastic EVO. offense lord entitled Quarry, to get independence. Immediately following beating Quarry, he assist their old team the league giriÅŸ wade 100 % free as opposed to arresting him or her for example he had been meant to, however, he cautioned them never to do anything stupid otherwise Providence might be shortly after her or him.