Tomas Sevchenko

Sergeant First Class Tomas Sevchenko, or Sev for short, is the main protagonist and the main playable character of Killzone 2 and Killzone 3, and a mentioned character in Killzone: Shadow Fall. He also appears as a main character in the novel, Killzone: Ascendancy, and a playable skin in Uncharted 2: Among Thieves. 
He is a soldier of the Interplanetary Strategic Alliance and is a skilled technician which makes up for his shorter war experience as a new comer.
He was voiced by Demetri Goritsas (who also voiced Felix Leiter in 007 Legends) in Killzone 2, and by Andrew Bowen (who voices Johnny Cage in the Mortal Kombat series, and also voiced Neo in The Matrix: Path of Neo, Josh Birk in Saints Row IV, and Smoke in Mortal Kombat X) in Killzone 3.
==History==
Sev was born in Northern Vekta in a solid and respectful family. Seeking to defend his homeland, Sev joined the army despite opposition from his parents and fought during the Helghast Invasion of Vekta. He had powerful idealism and managed to repel the Helghast invaders and take up arms again however he was scarred by nightmares of the invasion. He was eventually signed to Alpha Squad during the ISA Invasion of Helghan in 2359.
==Biography==
===Background===
Thomas "Sev" Sevchenko was born on the planet Vekta within the Alpha Centauri system in 2333 to unnamed parents, and is the brother to Amy Sevchenko. Once he reached the appropriate age, Sev joined the ISA despite his parents objections, wanting to protect Vekta from the Helghast. During the Second Extrasolar War, Sev would learn that his parents were killed by the Helghast, and though his sister wasn't killed, she was left in a catatonic state. Before being deployed on Operation Archangel, Sev attempted to visit his sister in the hospital, but was told by the nurse that Amy would go into panic attacks when she saw anyone in military uniform. This angered Sev deeply, fueling his determination to defeat the Helghast Empire.
During his early service with the ISA, Sev proved himself to be a capable technician, using his intellect and resourcefulness as a way to overlook his inexperience. When the ISA began their invasion on Helghan in 2359, Sev was assigned to Alpha under the command of Rico Vasquez alongside Shawn Natko and Dante Garza.
===Killzone 2===
During the events of Killzone 2, Sev was assigned to Alpha Squad and landed on the shores of Pyrrhus during the invasion. He and his squad made it to the Corinth River and began to advance as Helghast soldiers opened fired and slaughtered all ISA soldiers in their sights and managed to thin out Helghast Resistance. Though they manage to clear out Corinth River and Sev even used an ISA tank to help clear the Helghast out, they're next assignment is backing up Captain Narville as his forces advance on Visari Square. Along the way, Sev takes out one of the Helghast's Arc Towers, only to be set upon by a Helghast ATAC that forces him and Garza to retreat indoors out of sight of it. After regrouping with the rest of Alpha Squad, they help Narville take the square, despite fierce resistance. Once the square is taken, they move into the Salamun District, where Sev helps take down a power substation before the convoy pushes on Salamun Bridge to advance towards Visari's Imperial Palace and the Helghast Military Academy. Reaching the Academy, they find no sign of Visari's commander of the Helghast forces, Colonel Mael Radec, and Sev is forced to fight and take down an ATAC that attacks Alpha Squad on his own. Once the ATAC is gone, it looks as if the ISA will reach the Imperial Palace without further problems, only for Radec to unleash his secret weapon and deploy Arc Towers across Pyrrhus that throws the entire ISA advance into disarray. With the ISA advance shattered, Sev and the rest of Alpha Squad are assigned to escort Evelyn Batton into the wasteland outside Pyrrhus to locate the source of the Arc Network and disable it. With the Arc Network down, the ISA can resume their assault on Pyrrhus.
Unfortunately, when Rico and Sev separate from the rest of the squad to provide Evelyn a satellite uplink to the fleet, she, Natko, and Garza are captured by Radec's men and taken to Tharsis Refinery. By the time that Rico and Sev catch up to them, Radec is personally interrogating them, and executes the ISA Marine that was the CO for the scout platoon earlier when Evelyn proves uncooperative, threatening to do the same to her, Natko, and Garza unless she tells him the codes for the Red Dust, a nuclear weapon that the Helghast had captured from the ISA during the original invasion of Vekta. Though Evelyn tells Radec that the fleet commander, Colonel Jan Templar, has the codes, when he asks if she would reprogram the warhead, she refuses. Meanwhile, Sev tells Rico to hold his position while he tries to flank Radec and his men, but when Rico sees one of Radec's men point his StA-52 rifle at the back of Garza's head in preparation to execute him, Rico ignores Sev's orders and charges in, spraying his M224 machine gun at Radec's men in fury, but this leads to the one that had been standing behind Garza to discharge his weapon as he fell, mortally wounding Garza in the process, to Natko and Evelyn's horror, while Radec escapes. Though they get topside and radio for evac, Garza succumbs to his wounds before the corpsmen arrive. Needless to say, Sev is furious with Rico once back aboard the New Sun, blaming him for getting Garza killed, and though Natko tries to break up the argument, things get worse when the fleet falls under attack from the Helghast armada, and several cruisers are shot down. The New Sun itself takes major damage, forcing most of the crew to abandon ship, while those Marines still alive do their best to protect whoever is left until they can evacuate as well. Sev reaches the Intruder launch bay to escape with Natko and Rico, but stops to check the feed from the bridge, just in time to see Radec personally arrive to confront Templar and Evelyn for the Red Dust nuclear codes. When Templar tries to lie his way out of giving them up, an impatient Radec executes Evelyn with a single shot from his StA-18 pistol, and when Templar tries to fight him, Radec overpowers Templar and plugs him three times at point-blank range, mortally wounding him. Seeing that, Sev tells Rico and Natko, and a horrified Rico, who is good friends with Templar, tries to go back on the ship to help him, but Sev and Natko hold him back as they are jettisoned from the crippled New Sun and fly to safety. As they flee, they watch as the New Sun, with Templar's last ounces of strength, plunges out of formation with the other surviving ISA cruisers and crashes onto the Petrusite grid, disabling the Arc Network defending Pyrrhus and ensuring Templar's death was not in vain.
Regrouping with surviving ISA Marines and Captain Narville, Sev and the others push through the wastes towards Pyrrhus, with Sev manning a surviving EXO suit from the wreckage of the New Sun to help out, but just as they prepare to reenter the city and regroup with any ISA forces still in it, Visari and Radec, having acquired the Red Dust nuclear codes, detonate the Red Dust over Pyrrhus, levelling the city and killing any surviving ISA and Helghast forces in it. With the city now covered in a radioactive cloud of dust and the mushroom cloud still hanging over the city, Captain Narville decides the only option left now is to advance on the Imperial Palace and try to still capture Visari alive. Aided by whatever surviving ISA armor and air support they have left, Narville, Rico, Natko, Sev, and the Marines advance on the Imperial Palace. Along the way, they take out the power cores for the Arc Cannon defending the palace, allowing the surviving cruisers to finally level the accursed weapon to the ground. Despite heavy resistance from the most elite of the surviving Helghast Imperial Guard in Advanced Assault Troopers and Pyro Troopers, the ISA push through to the palace gates and reach the front doors. Natko stays behind with Narville and the Marines to watch for enemy reinforcements, while Sev and Rico head in to find Visari. Reaching the main hall, they soon have to deal with Radec and what's left of his personal guard as they stand as the last line of defense before reaching Visari. Despite Radec's fierce defense, including his cloaking device and StA-3 LMG giving them a lot of trouble alongside all of his Assault Troopers, Shock Troopers, Pyro Troopers, Heavy Troopers with their VC9 Rocket Launchers, and a sniper or two, Rico and Sev manage to finally wound Radec severely, where unable to accept being taken alive due to his fierce loyalty to the Autarch and future Emperor of Helghan, Radec commits suicide with his pistol, shooting himself in the side of the head to ensure he won't be taken alive as the ultimate dishonor. With Radec and what's left of the Imperial Guard having committed suicide, Sev and Rico advance into Visari's personal chambers to arrest him. Unfortunately, Visari takes the opportunity to gloat at them that, even if he's taken alive, he's ensured the Helghast are united stronger than ever against the ISA and Vekta, and killing him won't stop the Helghast from taking their vengeance out on the ISA. Nevertheless, overcome with guilt at seeing that Garza, Evelyn, Templar, and everyone else who died in their mission to capture Visari and end the threat of the Helghast was in vain, Rico fatally shoots Visari before Sev can stop him. With their ultimate objective of taking Visari alive having now failed, Sev, weary from the fighting, goes out to sit on the palace steps as Natko and Narville enter and discover the fate of Visari. However, just as Visari had warned, a massive fleet of Helghast reinforcements arrive over the palace and move in to assault what's left of the ISA fleet, to the horror of the ISA Marines on the ground with Sev, meaning their situation just took a huge turn for the worse.
===Killzone Shadow Fall===
Sev is mentioned in Killzone Shadow Fall, where its revealed that him and Rico went into hiding due to the surviving Helghast knowing that the two nuked Helghan. The ISA labeled the two "M.I.A." and not knowing of their whereabouts, as the Helghast labeled them fugitives.
==Gallery==
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Latest-32.jpeg|Sev is Killzone 3.
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Latest-33.jpeg
Latest-35.jpeg|Sev in Uncharted 2 as a multiplayer skin.
==Trivia==
*His surname implies that he and his family come from Eastern Slavic descent.
*In the multiplayer of Shadow Fall, there is an emblem of Sev that says "The Hero".
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