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Kevin MacTaggert (Earth-58163)

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Quote1 ...I'm wonderin' why I should limit my fun to this aul' Earth when there's so much more out there tae see, an do, an' kill... Quote2
-- Mutant X (Kevin MacTaggert)

Kevin is the only son of geneticist Moira MacTaggert. It's uncertain when his mutant powers emerged, but it's known that his powers somehow consumed his body bit by bit. His mother desperately tried to find a cure but her efforts were in vain and for his own safety she had to lock him in a special containment cell on Muir Island. He was jailed there for some time until Magneto took control of the U.S. and, as Moira was known as the main researcher on curing the mutant gene, her lab was one of Magneto's Sentinels' first targets for destruction. Proteus was accidentally freed in the attack. Upon escaping, he almost immediately started to switch bodies and burning them out one by one. He soon was known as serial killer that the press called Mutant X.

Exiles Vol 1 80 page 21 Kevin MacTaggert (Earth-58163)

Kevin's original look

His killing spree continued until he stumbled on a team that consisted of people from several different realities that called themselves the Exiles. At this point, Proteus had possessed the body of Angel Salvadore who was approached by Beak member of the omniversal team who had married her in his own reality Earth-616. Proteus used this opportunity to collect information of who they were but Exiles soon arrived with Moira who had revealed to them who Proteus really was. They tried to stop him but his world altering powers were too much for them to handle. Proteus took the Tallus from Sabretooth and used it to steal information from Crystal Palace's databases. He forgot to pay attention to his mother who shot him in the back but Proteus just left the body showing his true form. He then killed his mother and took over Mimic's body. The Exiles, stunned, could only watch as Proteus left to another reality using the information he stole from Crystal Palace.

He then found himself in Earth-15731 where he fought Justice and eventually took his body over as he managed to destroy Mimic's body almost entirely. He soon met the Exiles again who had taken it as their mission to stop Proteus. Now they had come prepared as they hired Longshot from Mojoverse to fight him. Longshot was winning the fight until Proteus escaped to another reality. He found himself in Earth-6375 where he changed body once again taking over this reality's Hulk. He then was attacked by Exiles and this reality's Spider-Man. In the middle of the fight Proteus ripped Spider-Man's mask off revealing his identity to whole world. Proteus soon left this world as well and traveled to Earth-712 where he briefly met Squadron Supreme. He then visited earth that was devastated by a war that killed most of world population and was now ruled by Maestro (Hulk of this reality). He was approached by Rick Jones who hired him to kill Maestro. He only accepted the job because it fit his own agenda to take over the city. He attacked the castle and shot Maestro with a gun given to him by Rick Jones and tried to posses Maestro but couldn't because it was Morph in Maestro's form and he had piece of metal in his head. They had made a deal with Maestro to stop Proteus but something went wrong and Maestro attacked Exiles. In the midst of the battle piece of metal in Morph's head was punched out and Proteus used the opportunity to posses his body. Immediately he realized that Morph's body was not the same as the others. It didn't start to waste away immediately as he possessed it. He briefly tested his new abilities before he decided to go home.

Exiles Vol 1 82 page 21 Kevin MacTaggert (Earth-58163)

Brainwashed to think he's Morph

When he warped to Earth-616 reality he found a world totally different as he had left behind. In reality he didn't know that Heather Hudson intervened on the transfer and transported him to Counter-Earth. There he met Young Allies and convinced them that the Exiles were not to be trusted. Then Chaos and Order proclaimed that Proteus was the person it has been waiting for. They took Proteus to Atlantis and told him this world should be destroyed, as it was not part of natural order. He killed everyone on Atlantis and raised it from the ocean floor launching the nuclear missiles shortly after that. Young Allies and Exiles worked together to stop the missiles and fought Proteus. They managed to trick Proteus to wear a crown that had mind-reprogramming device got from Earth-712. They used it make Proteus think he really was Morph.

He then came part of the team as he thought nothing happened. This way they could observe if his memories would come back and stop it if necessary. After his first mission with the team in Heather Hudson's home reality Earth-3470 he was fired with the rest of the team by the Timebreakers. He and the rest of the team were hired back when the bugs found themselves in situation that was more than they could handle. They soon found themselves in Earth-127 where Quicksilver, Scarlet Warlock, Wolverine, Magneto and Mesmero of that world had merged in one being calling itself Brother Mutant. Timebreakers had sent several Wolverine's from different worlds to Earth-127 as computer predicted that Wolverine was the answer. There Exiles worked with them and managed to finally kill Brother Mutant with the help of a young Wolverine from Earth-1880. In one mission Morph was recruited to Imperial Guard of Earth-552 with the rest of the Exiles so they could fight Silver Surfer of that reality and stop him killing his old master Galactus the Restorer of Worlds.

We will see how these new experiences will impact his personality if his memories will someday return.

Power Grid [1]
Energy Projection
Fighting Skills
* Teleporter


Proteus has the power to warp reality to his whim, it appears that his ability to warp reality is limited only to his imagination. However, his abilities are short ranged, and once he is out of the immediate area, the location he warped with his powers returns to normal. As a being composed purely of psionic energy he possesses a degree of telepathy. He can also possess human bodies, which he requires for sustenance, these bodies eventually burn out, the length of time he may spend in a body before it's burned out varies on the hosts strength and health.

When Proteus possesses a body, he becomes one with the being, taking in all their memories, usually the host is burned out before Proteus leaves it's body, but if Proteus were to leave before the host before their body completely burned out, there is a slight chance that they may live.

When Proteus was merged with Gilbert Benson it appeared that his powers were magnified, and his powers were able to effect a wider range, it is unknown the full extent of Proteus' abilities during this point.

The "reborn" Proteus learned how to jump to other realities with his powers.

Strength level

Proteus has no physical strength save for that which he gets from his host bodies.


Proteus is vulnerable to metal, which can disrupt his energy fields, until he merged with Morph.

  • Proteus has no physical characteristics as he is a being comprised of energy that has a vaguely human form. Any human characteristics he may obtain are that of the bodies he possesses. These bodies eventually "burn out" and become nothing more than animated corpses before he disposes of them.
  • When using the information gained from the Exiles to pass between universes, Proteus traveled to Earth-15731, an alternate version of the New Universe, Earth-148611. However, he then traveled to Earth-928, the home universe of the 2099 Era. His entry in the All New Official Handbook of the Marvel Universe clarified that he arrived in Earth-148611 and Earth-928, but that his interference caused those realities to diverge into Earth-15371 and Earth-6375, respectively.
  • When Proteus traveled to the "Future Imperfect" reality, he and the Exiles battled the Maestro before he had met his past counter-part, the Hulk. The Exiles had to prevent Proteus from possessing Maestro's body to prevent the timeline from changing.

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