MagnitronYon-Rogg

Yon-Rogg is a colonel, a commander of starships, and a devout servant to the Kree Empire. His jealous nature drives many of his decisions but all in the name of the Kree.

Starship Pilot

Born on planet Hala into the Kree Empire, Yon-Rogg grows up to join the Imperial Kree Army and rises the ranks to colonel. He serves as second in command of the Kree starship Pama and later commands his own vessel, the Helion. 

He uses his Kree military rank and bribes to falsify documents stating his daughter, Una-Rogg, had undergone psychic surgery routinely performed on Kree females to curb their psychic powers. 

Super-Strong Kree

Yon-Rogg has Kree superhuman durability and twice the strength of a comparably built human. 

While melded with the Psyche-Magnitron, he can instantly generate any Kree technology, including sentient constructs and weaponry. 

Kree military training makes him an accomplished leader, fighter and pilot familiar with Kree science and weaponry. 

Subversive Enemies

Mar-Vell, AKA Captain Marvel, a fellow Kree compatriot, proves to be Yon-Rogg’s constant rival in love and otherwise. Yon-Rogg often schemes to kill Mar-Vell but fails in his attempts. When Mar-Vell becomes bound to the human Rick Jones, Yon-Rogg goes up against him as well in a battle over the Nega-Bands.

While Ronan the Accuser, AKA Ronan, is a judge, jury and executioner for the Kree, and Yon-Rogg calls on him many times to put Mar-Vell on trial, Ronan has other ends. He plots with Imperial Minister Zarek to place Mar-Vell under Yon-Rogg’s command knowing the latter’s jealousy would drive Mar-Vell into their hands as a tool to topple the empire and usurp the Supreme Intelligence—the computerized compilation of the greatest Kree minds that Yon-Rogg and the Kree follow devoutly. 

Una, the Pama and Helion ships’ medic, is Yon-Rogg’s military equal and conscience, though he does not heed her all the time. He grows jealous of her relationship with Mar-Vell, and his determination to undo his rival leads Una to sabotage the ship, all to protect Mar-Vell.

Commanders and Colleagues

As a loyal servant of the Kree Empire, Yon-Rogg answers to the Supreme Intelligence, who sends him and his crews on missions to spy on Earth for potential threats against the Kree.

Yon-Rogg is Zen-Pram’s second in command of the Kree starship Pama, and later receives his own command over the Helion. On both ships, his Kree colleagues include Mar-Vell and the medic Una, the latter of whom he loves. But Mar-Vell proves to be a worthy rival for her affections, and Yon-Rogg tries to disrupt their relationship.

A Colonel’s Chronicles

As a colonel, Yon-Rogg led a mission alongside his unrequited love, the medic Una, with Captain Mar-Vell to retrieve Grand Admiral Devros from a planet held by the insectoid alien Brood. Fighting past Shi’ar and Skrull ships, the Kree crew were captured and implanted with Brood eggs. Mar-Vell, Yon-Rogg and Una survived the implantation, and Una modified a Kree Omni-Wave projector to purge the eggs. Yon-Rogg took credit for the mission and was assigned to Earth to investigate the Kree robot Sentry 459’s destruction by the Fantastic Four, and assess Earth’s threat level. Despising Mar-Vell, partly because of Una and Mar-Vell’s blossoming romance, Yon-Rogg sent him to engage Earth forces alone, despite contrary regulations, and forcibly bonded a wrist monitor to Mar-Vell to document his movements. Yon-Rogg reactivated Sentry 459 at Kennedy Space Center to fight Mar-Vell, only the first of several attempts to eliminate and discredit Mar-Vell. Suspecting Mar-Vell of growing sympathy for humans, Yon-Rogg contacted Ronan, head of the Kree Accuser Corps, to judge Mar-Vell for un-Kree activity, but Ronan’s decision was neutral. 

In Earth orbit, Yon-Rogg sought to hide evidence of his spaceship by obliterating suspicious Kennedy security chief Carol Danvers, but Mar-Vell saved her. Yon-Rogg attacked a stray Aakon spaceship and their later vengeful attack left Una dead. Cast adrift by Yon-Rogg in deep space, Mar-Vell eventually returned to Hala, where the Supreme Intelligence augmented his powers. Mar-Vell soon after became trapped in the antimatter Negative Zone.

On Earth, the Supreme Intelligence influenced Rick Jones to don the Kree Nega-Bands, which led to Mar-Vell and Jones sharing time between their universe and the Negative Zone. Yon-Rogg uncovered the outlawed Kree Psyche-Magnitron device, which could instantly generate any Kree science or weaponry. He kidnapped Danvers, Mar-Vell’s new paramour, to trap Mar-Vell, and attempted to kill Rick Jones to strand Mar-Vell in the Negative Zone. But Mar-Vell returned to confront Yon-Rogg, who merged with the Psyche-Magnitron to form a Kree Mandroid to attack. Its blasts damaged the device and injured Danvers. Mar-Vell saved Danvers when the Psyche-Magnitron exploded, but Yon-Rogg was seemingly killed in the explosion, the blast scattering him across time and space; the blast also empowered Danvers, imbuing her with Kree physiology with a small third brain lobe; she became Ms. Marvel and later Captain Marvel. 

Yon-Rogg’s two children blamed Mar-Vell (who had died from cancer) for their father’s seeming death and later targeted Mar-Vell’s son, Genis-Vell, AKA Photon. Later, Yon-Rogg slowly re-formed his body through sheer force of will, and having gained the Psyche-Magnitron’s power of weapon generation, each recovered fragment of the device increased his powers. The tiny piece of shrapnel from the Psyche-Magnitron inside Captain Marvel (Danvers)’s head enabled Yon-Rogg to access her memories, but also caused a lesion to grow on her third brain lobe and affected her powers; further use of her Kree-based powers threatened her brain. To humiliate Danvers, Yon-Rogg generated constructs of her past opponents, such as dinosaurs, the super-powered Grapplers wrestlers, Brood and Cal’syee Neramani, AKA Deathbird. Aided by fellow Avengers, Danvers defeated them, while Yon-Rogg stole a shard of the device Danvers had located and hidden. Seeking extraction, Yon-Rogg contacted the Kree capital, Kree-Lar, and offered Danvers and Earth, but was dismissed as outdated and irrelevant. Yon-Rogg used the shard to transform into Magnitron and activated Kree Sentries to create a giant circuit to remake Earth as a second Hala. Magnitron eventually cannibalized his constructs to further amplify his energy and forge a new Kree-Lar city over New York. He generated Kree Mandroids to stop the Avengers while he tried to use the final fragment in Danvers’ head to complete the circuit, but Danvers flew up beyond Earth’s atmosphere where her brain hemorrhaged, severing the link with the circuit at her memories’ expense. This severing caused Magnitron’s weaponry and constructs to deactivate. Apparently powerless, Magnitron was taken into custody.