Aiyon, Gold Ranger
Full Name: Aiyon
Ranger Designation: Gold Ranger
Weapons: Mosa Blaster
Gear: Communicator, Dino Fury Keys
Zords: Mosa Razor Zord Zord

65 million years ago in Rafkon, Aiyon was once part of the Knights of Rafkon, under the leadership of Zayto. Soon, the two became best friends and sparring partners. During the creation of the Sporix Beasts to fight against invaders, Aiyon was displeased that the Rafkonian government attempted to unleash the Sporix without a proper test, believing that it could endanger the planet. Aiyon attempted to destroy the Sporix machine, only for Zayto to stop him. But Zayto soon realized, alongside their fellow knights, that Aiyon was right as the Sporix Army instead began attacking their homeworld. As their planet was devastated by the Sporix, Aiyon and his fellow knights chased them to Earth, where they would gain the help of the dinosaurs and where the Morphin Masters would make them the first team of Dino Fury Rangers. During a Megazord battle, two of his fellow Rangers warned the team that the Ultrazord was about to be destroyed, due to the Sporix Beasts being too powerful. Aiyon and Zayto managed to escape, but the other Rafkon Rangers perishing in the Ultrazord's destruction.

Both Zayto and Aiyon went into stasis, with Aiyon's pod being submerged underwater, separating himself from Zayto. The Green Morphin Master then materialized before him, giving him a task while also warning him that without him, Lord Zedd will reign again sometime after his defeat by Zordon's Energy Wave. Present 65 million years later, Aiyon is awakened from his stasis by the Ninja Nexus Prism. After Slyther and Mucus found his stasis pod, they are stunned to see him awake and escaped while he went out to save his friends. Aiyon would then show up at Dinohenge, revealing his identity to the other Rangers and reuniting with Solon. It was there he stated his interest in joining the team, but on the condition that he led it. As the others questioned this sudden proposal, Aiyon spills the secrets of him and Zayto's past when they were Knights, revealing that the Rafkonians were the ones that created the Sporix Beasts and that Zayto had the chance to stop the entire process but refrained from doing so, resulting in a scrimmage that damaged their friendship. He then said that Zayto has a lot to learn about being a real leader, such as trusting their teammates.

Returning to Dinohenge, Aiyon is being praised by the other Rangers on his strategy. This caused him to boast that Zayto is not fit to lead anymore, causing the Red Ranger to leave the team. Aiyon then asked the others to help him find his Zord, which leads to him teleporting to BuzzBlast after Ollie recalls that he still has the data from his mom's submarine drone. However, despite gaining the upper hand, the battle once again shifts to Wreckmate's favor when he sends the Megazord underwater, causing its systems to shut down due to it not being meant for aquatic environments. Aiyon, realizing the difficulties of being a leader, apologizes for his behavior, which Zayto assures is for the best as the two repaired their friendship. Soon, Aiyon's Dino Key glows, signifying that his Zord has activated. Aiyon asks Zayto to help him free the other Zords, which the latter accepted. Together with Zayto, Aiyon commanded his new Megazord. Using his Zord, both managed to destroy Wreckmate. After the battle, Aiyon decided to reconcile with Zayto as he now understood the responsibility of a leader after the recent events. He then relinquished his leadership on the team back to Zayto, citing what the latter said earlier on how a true leader knows when to step aside. Both friends then engage in a friendly sword duel before hugging each other as comrades once again.

While out bike riding with Izzy, Aiyon accidentally bumps into her, which she believes was deliberate before discovering an abandoned truck from Area 62, containing money, which Aiyon takes as he was the one who found it, and goes on a shopping spree to calm down. While still in doubt, Aiyon was approached by Ed Jones, who tells him buying new things won't make him happy for too long, resulting in Aiyon giving away the stuff to random strangers, who appreciate them. Later on, Aiyon and Izzy apologize to each other before the former shows he bought a new bike for her. Six months after Zayto's sacrifice, Aiyon opened up a caf� that served Rafkonian food before arriving at Dinohenge, where a revived Zayto arrived to inform him and the others of Lord Zedd's escape.