Characters / The Spartan Legacy UNSC

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United Nations Space Command (UNSC)

Spartan-III Program

Zach B-257

Zach B-257

Species: Human

Appearances: The Last War | Lifebringer | Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: Riley Mikesell, Xander N (young Zach)

A SPARTAN-III who joined Phoenix after losing his fellow brothers in arms.

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• Badass Normal: Zach is introduced as one of Phoenix's best operatives, able to bring down multiple Sangheili by hand with ease. He later turns out to be much more.
• Character Development: Over the latter half of The Last War, Zach gradually outgrows being The Quiet One as well as his Death Seeker tendencies, thanks in no small part to his interactions with Katherine and later Guardian. He continues to open up during Brotherhood: War through his interactions with Denver.
• Dark and Troubled Past: Zach lost his family and friends at a young age when the Covenant destroyed his home planet Arcadia. Soon after, ONI abducted Zach and conscripted him into the Spartan-III program where, over the next 5-6 years, he underwent extensive training and various augmentations alongside the Spartan-IIIs of Beta Company before being selected for the Headhunter Ops. While out on a mission, the remaining Spartan-IIIs from Beta Company were sent to take down a Covenant re-fueling station; only two survived. Upon return, Zach was read the reports on how many of his fellow IIIs were slaughtered.
• Dark Is Not Evil: He's one of the main heroes of the series and just happens to sport black armor throughout The Last War.
• Death Seeker: After losing so many of his fellow Spartans, Zach had little else to live for and resolved to focus on killing the enemy until he finally died himself. He grows out of this mindset after his interactions with Katherine, as well as his bonding with Guardian and developing a friendship.
• Deuteragonist: As The Last War continues and more is revealed about Zach's background, he becomes the secondary protagonist, behind Katherine.
• Foil: To Katherine. Both are the Sole Survivors of their respective squads and cope with it similarly. Katherine closed herself off but opened up to Tanner and Phoenix Team after bonding with them. Zach sealed himself off completely and never said a word to anyone until Katherine came into the picture. Whereas Katherine widely recognized as a Spartan, Zach's identity was kept secret from everyone except Logan. But while Katherine found friendship and love, Zach still remains socially detached, with his closest friend being an artificial intelligence, though he is growing out of it a little with Denver.
  • Zach can also be considered a foil to Gabe; both excel in close-quarters combat, come from a Dark and Troubled Past where they've lost their families and countless brothers-in-arms, and the trauma from their respective pasts have severely damaged their psyche, extensively impairing how they interact with others. The difference lies in how they behave due to their trauma, with Gabe's causing him to berate and lash out at others, while Zach became more introverted, ceasing contact altogether.
• The Hero: He graduates from supporting character in The Last War to the main protagonist of the Lifebringer saga.
• "I Know You're in There Somewhere" Fight: He has one with Guardian in Lifebringer, which helps him snap out of his programming for good.
• Invisibility: Zach's armor ability, courtesy of Brett (though it gets destroyed during Lifebringer).
• It's Personal with the Dragon: In Brotherhood War, Zach's conflict is with Garrett, Nyla Isaka's second-in-command, due to him being a former squadmate and fellow Spartan-III.
• The Lancer: For Katherine throughout The Last War as the squad is whittled down and he steps into the forefront.
• The Quiet One: He remains mute for at least half of The Last War, until finally speaking to Katherine after she rescues him. The rest of Phoenix Team are surprised by this, as even they couldn't get him to speak.
• Stealth Expert: His area of expertise.
• Super-Soldier: A prerequisite for a Spartan, though nobody finds out until later on.
• Taking the Bullet: Takes a hit meant for Garrett near the end of Brotherhood War. Fortunately, he survives.
• Walking Spoiler: One can't discuss Zach in The Last War without acknowledging The Reveal that he's a Spartan-III.
• What Is This Thing You Call "Love"?: Zach begins to experience romantic feelings for Denver, due to his body's constant self-repairing effectively flushing out the inhibitors that keep his pheromones in check. Zach is naturally put off by it.

Marcus B-088 (Spoilers)

Marcus Garrett

See The Radical Reformation for info.

Spartan-IV Program

Director

Lawrence Harper

Director Lawrence Harper

"There comes a time where every soldier dies. It's part of his duty. Just make sure you die for something or someone that's worth your life."

Species: Human

Appearances: Generation | Omega Halo (Afterlife)

Voiced by: Hugh Verheylewegen

The new SPARTAN-IVs' commanding officer and mentor figure.

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• Big Good: As the overseer of the new SPARTAN program, he's this for Saul and his squad.
• The Cameo: He appears in Omega Halo's epilogue, where he reunites with Saul in the afterlife.
• A Father to His Men: His care for the IVs is almost fatherly-like, especially between him and Saul, who takes his death the hardest.
• Greater-Scope Paragon: Despite being killed off in Generations, Harper's wisdom continues to live on across the series as it is carried through Saul, Katherine, and Zach.
• The Mentor: For the new SPARTAN-IVs, especially Saul. Unfortunately...
• Mentor Occupational Hazard: He suffers this fate at the hands of 'Thalashee when he attacks the base.
• Parental Substitute: He was Saul's father figure for most of his career.
• Reasonable Authority Figure: While Saul's superior, he has enough faith in his leadership abilities to allow him free reign when it comes to handling the squad.
• So Proud of You: When the SPARTANs complete their final simulation without a single casualty, proving their capabilities as a team, he lets them know how proud he is, and again when he's reunited with Saul in the afterlife epilogue of Omega Halo.

Spartans

Saul IV-01

Saul IV-01

"Maybe I can save humanity, maybe I can't. I don't know but I promise, I won't quit trying until I can't or I don't need to."

Species: Human

Appearances: Generation | Omega Halo | The Last War (Flashbacks)

Voiced by: Jacob Whittington

The leader of a new team of SPARTANs.

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• And This Is for...: Right before taking down the Shipmaster's shields to allow Grey an opening, he has some choice words for him:
  Saul: You sicken me, Shipmaster. You're a tyrant and a murderer. So this is for Earth. For my squad. And for the thousands of humans that you've slain!
• Back for the Finale: Appears to Zach (alongside the other Spartan-IVs) in the afterlife when the former has a near-death experience during Hyborean.
• Big Brother Instinct: He plays the role of a strict older brother towards his squad, but especially towards Katherine. He goes outright berserk when the Shipmaster seemingly kills her.
• BFG: He starts lugging around a SPARTAN Laser in Omega Halo. He's very proficient with it.
• Earn Your Happy Ending: After all the fighting, pain, and loss he endured over the series, Saul finally gets to rest in peace, reunited with his fallen teammates, and his actions allowed Katherine to survive, so that she may continue to save others, thus continuing the cycle to save humanity.
• The Hero: Moreso for Generation, as the plot largely focuses on him coming into his own as a leader and stopping 'Thalashee.
• Heroic BSoD: Falls into a pretty bad one when Harper is killed by 'Thalashee, and since Harper was like a father to him, he takes it harder than anyone else. Fortunately, Cameron helps him out of it with some encouragement.
• Heroic Sacrifice: Saul is badly wounded saving Katherine from a Flood form and starts bleeding out. Knowing he would just slow Katherine down, he decides to stay behind and hold off the Flood.
• It's All My Fault: He blames himself for the deaths of his squad. He believes he'd let them all down when he promised they would make it through together. Fortunately, his worries were put to rest when he was reunited with them in the epilogue.
• It's Personal: His drive to kill both 'Thalashee and the Shipmaster stems from them killing those close to him. 'Thalashee killed Harper and Gabe, while the Shipmaster killed Cameron, Jake, and Christian.
• The Leader: Of his squad that became the new batch of SPARTAN-IVs.
• Like Brother and Sister: Saul looks out for Katherine like an elder sibling and their bond gets stronger when the rest of the squad is killed. Funnily enough, their voice actors are real life siblings.
• My God, What Have I Done?: After the Flood force them to retreat, Saul and Katherine get into a heated argument in which Saul angrily refers to to her as "04", something he admonished Gabe for doing in Generation. After driving a hurt Katherine away, all Saul can do is silently stand there as he realizes what he'd done.
• Nice Job Breaking It, Hero: Despite Katherine's warnings, Saul, determined to bring down the Shipmaster, heads deeper into Halo's inner facilities, unwittingly unleashing the contained Flood within.
• Red Oni, Blue Oni: While he's usually a level-headed blue, he falls firmly into red when he starts becoming reckless in his drive to finish the fight, leaving Katherine to fill the blue.
• Took a Level in Jerkass: His mission to bring down the Shipmaster quickly turns into a single-minded obsession that drives him to disregard the advice of his peers, which leads to the Flood being unleashed and getting several marines killed. His argument with Katherine gives him the Jerkass Realization he needed to stop his reckless behavior.

Jake IV-02

Jake IV-02

"Maybe if we were just Marines, but we're Spartans now!"

Species: Human

Appearances: Generation | Omega Halo (Afterlife)

Voiced by: Peter McDonald-Ryder

The team's reconnaissance expert and marksman.

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• Back for the Finale: Appears to Zach (alongside the other Spartan-IVs) in the afterlife when the former has a near-death experience during Hyborean.
• The Cameo: Briefly appears in the epilogue of Omega Halo, but in a non-speaking role due to his voice actor being unavailable.
• Designated Point Man: He specializes in reconnaissance, which naturally makes him the first one into danger.
• Not So Above It All: Jake often focuses on the mission, but even he can't help but make a bet with Christian on their first mission on who can kill more Elites with less ammo. Jake lost.
• The Quiet One: Arguably more so than Katherine. He says very little, often only speaking in downtime or when he has to during missions.

Cameron IV-03

Cameron IV-03

"With you in charge, we can tackle anything."

Species: Human

Appearances: Generation | Omega Halo (Afterlife)

Voiced by: Draven Kuhn

The team's vehicle expert and a close affiliate of Saul's.

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• Back for the Finale: Appears to Zach (alongside the other Spartan-IVs) in the afterlife when the former has a near-death experience during Hyborean.
• The Cameo: He briefly reappears in the epilogue of Omega Halo to greet Saul in the afterlife.
• The Engineer: Adept at tinkering and piloting vehicles.
• Number Two: Saul quickly appoints him as second-in-command shortly after the team graduates.
• Undying Loyalty: His history with Saul prior to becoming Spartans is what solidifies his faith in him as a leader.

Katherine IV-04

Katherine IV-04

"We're human. When faced with overwhelming odds, we fight on, like we always do. Because we have something that endures, no matter what: hope."

Species: Human

Appearances: Generation | Omega Halo | Border War (cameo) | The Last War

Voiced by: Carrie Whittington

The squad's sniper.

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• Action Girl: An efficient, lethal soldier befitting the role of a SPARTAN.
• Back for the Finale: Appears to Zach (alongside the other Spartan-IVs) in the afterlife when the former has a near-death experience during Hyborean.
• The Cameo: She's briefly seen alongside Grey as he gives a speech on humanity's victory against the Shipmaster in the opening sequence of Border War.
• Cold Sniper: She's the squad's distant, withdrawn sniper.
• Dark and Troubled Past: She lost her entire family in the fall of Reach and became a sniper, because they were often separate from their squads.
• Dying Moment of Awesome: She spends her final moments destroying 'Krudom's plans right in front of him and that humanity's persistence ensured his defeat long ago.
• Fantastic Racism: Harbors a great hatred towards the Sangheili (for understandable reasons), which puts her at odds with the Separatists during The Last War. Thankfully, she grows out of this after interacting with 'Nostrom.
• Heroic Sacrifice: She sacrifices her life to stop Fleetmaster 'Krudom and end the Third War on Reach.
• Ink-Suit Actor: Her having had sisters and an older brother are likely a reference to her VA
• The Lancer: To Saul in Omega Halo.
• Like Brother and Sister: With Saul, by her own admission, and it's a bond that becomes stronger after losing the rest of their team. Interestingly, their voice actors are real-life siblings.
• Mirror Character: Despite their tense relationship, Katherine and Gabe are more alike than they realize. Both suffer from Dark And Troubled Pasts in which they've witnessed their teammates die, and has greatly affected their psyches.
• The Quiet One: Deconstructed. She isn't very talkative, which doesn't lend well to her communication with her teammates, which is key in a firefight. Were it not for Gabe, she could have been killed on their first assignment.
• Red Oni, Blue Oni: The more withdrawn, reserved blue to Saul's increasingly brash and reckless red in Omega Halo.
• Shipper on Deck: While appearing to Zach in the afterlife, she voices her approval of Zach's relationship with Denver.
• Sole Survivor: She's the last member of her squad by the end of Omega Halo.
• The Squadette: The only female of the team.
• The Stoic: The deaths of her squad mates have pushed her into this, and doesn't show much emotion. However, this occasionally breaks, especially when she loses Saul.

Christian IV-05

Christian IV-05

"We'd have a found a way out of it! The team can do anything, remember?"

Species: Human

Appearances: Generation | Omega Halo (Afterlife)

Voiced by: Mason Orr

The team's heavy weapons specialist and demolitions expert.

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• Back for the Finale: Appears to Zach (alongside the other Spartan-IVs) in the afterlife when the former has a near-death experience during Hyborean.
• The Big Guy: Very easygoing and proficient with heavy weapons.
• BFG: Gravitates towards heavy weapons like the rocket launcher.
• The Cameo: He briefly appears in the epilogue of Omega Halo and reunites with Saul in the afterlife, as chipper as ever.
• Demolitions Expert: Explosives are his specialty.
• Nice Guy: The most overt example. He's outgoing and easily sociable, as well as a source of optimism for his teammates.
• The Heart: Described as the most "human" of the bunch, being more lively and emotional.

Gabe IV-06

Gabriel "Gabe" IV-06

"If you don't shape up, you know how this will end? We'll all die, and you'll be the first to go."

Species: Human

Appearances: Generation | Omega Halo (Afterlife)

Voiced by: Morgan Dale

The team's close-combat specialist. He's something of an outlier and more abrasive with his teammates.

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• Back for the Finale: Appears to Zach (alongside the other Spartan-IVs) in the afterlife when the former has a near-death experience during Hyborean.
• Big Damn Heroes: Saves Saul from 'Thalashee when he's about to be killed. Unfortunately, it costs him.
• The Cameo: He appears in the afterlife epilogue of Omega Halo, but due to his voice actor being unavailable, it's in a non-speaking role.
• Cool Helmet: Contrasting the uniform MK-VI helmets of his teammates, Gabe wears his own custom helmet, likely to help viewers visually identify him, as well as highlight his disconnect from the others.
• Dark and Troubled Past: Harper notes that he's had a long history of seeing his teammates die, which has led to him being extremely closed off to those around him.
• Death by Irony: Gabe, the close-quarters specialist, dies in a close-quarters scenario when, while checking to see if Saul is alright, allows 'Thalashee to sneak behind Gabe and deliver a fatal blow.
• Foil: He's what Katherine could have become had she closed herself off from others.
• Hypocrite: For someone who goes on about how Katherine and Christian are weak links who will be detrimental to the squad, his attitude succeeds in damaging morale and causing more tension than they ever did. Fortunately, Saul helps him realize this.
• Irony: He admonishes Katherine for her poor communication and says that she'll be the first one to die if she doesn't shape up. Guess who actually died first?
• In the Back: Killed by 'Thalashee when he takes his eyes off him to check on Saul.
• Jerk with a Heart of Gold: His heart is in the right place when he criticizes his teammates, as he doesn't want them to get themselves killed. But his intentions are marred by his harsh words and his attitude doesn't do him any favors.
• Jerkass Has a Point: He could have put it more tactfully, but Gabe was right in pointing out that Katherine's lack of communication can be a detriment to the squad.
• Jerkass Realization: Saul practically has to spell out that his abrasive, pessimistic behavior is damaging the squad's morale.
• The Lancer: He becomes Saul's for the final showdown with 'Thalashee.
• Mirror Character: Despite their tense relationship, Gabe and Katherine are more alike than they realize. Both suffer from Dark And Troubled Pasts in which they've witnessed their teammates die, and has greatly affected their psyches.
• Not So Stoic: He usually speaks in an even, emotionless tone but it's clear he's carrying a lot of emotional baggage. This slips through when Saul is chewing him out after Harper's death, but his most notable moment has to be when Saul is captured and Jake believes they could have saved him because they were now Spartans. Gabe disagreed. Vehemently.
• Shotguns Are Just Better: His preferred weapon is a shotgun.
• You Are Number 6: He refers to his squadmates by their numbers rather than their names. After his Jerkass Realization, he starts using their names to emphasize his Character Development.

Spartan-V Program

In General

The most recent generation of Spartans and the first to be mass-produced.

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• Badass Army: Notable for being the first mass-produced Spartans in the UNSC, with the best equipment, augmentations, and success rates.
• Brainwashed and Crazy: Their augmentations respond to a certain frequency put out by the Lifebringer, converting them into her own army to destroy the UNSC from within.
• Elite Army: They're effectively their own military branch with the best gear, weapons, and augmentations that render unaugmented soldiers obsolete in comparison.
• Expy: Of the Clone Troopers. They're an efficient army of Super Soldiers bred for combat and who end turning against the government they fought for by a villain. They start receiving heavy Combine overtones in Aftermath.
• Face–Heel Turn: All of them by the end of Brotherhood War, though they didn't have a choice in the matter.
• Manchurian Agent: Their augmentations are overwritten by a special frequency signal the Lifebringer sends out, turning them into her loyal, obedient slaves.
• Unwitting Pawn: Their ultimate purpose was to cripple the UNSC from within, a purpose instilled into them by the Lifebringer without their knowledge.

Director

Arthur Menaias (Spoilers)

Director Arthur Menaias

Species: Human

Appearances: Final Farewell | Brotherhood War

Voiced by: Tatsumari, Alyssa Whittington (as Lifebringer)

The director of the SPARTAN-V program.

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• Big Bad Friend: Towards Scott and Zach. He acts as The Mentor, but is really the Lifebringer manipulating them for her plan to take over Earth.
• Big Good: Subverted. He appears to take on a mentor role for Zach, acting as a confidant he can trust, but it was just a mask for the Lifebringer to keep an eye him.
• Cast as a Mask: Tatsumari as Menaias, who was nothing more than a fake identity conjured by the Lifebringer.
• Evil All Along: Menaias was actually the Lifebringer's disguise.
• Walking Spoiler: It's hard to talk about him without revealing his true nature.
• What the Hell Is That Accent?: Speaks with a very heavy Scottish accent.^note according to Word of God, Menaias' voice is modeled after Sean Connery

Fireteam Corsair

Lewis Scott

Lewis Scott

"Guess the brass figured I was good enough to lead this sorry bunch after Cairo. Who knows? Maybe the next stop is Spartan!"

Species: Human

Appearances: Generation | Omega Halo | The Last War | Final Farewell | Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: Jacob Whittington (The Last War) ^note Jacob had since retconned the nameless marine delivering Grey's euology at the beginning of The Last War to be Scott., Tristyn Mak (all other appearances)

A marine who assisted Saul in Generation and is later promoted to ODST in Omega Halo. Come Brotherhood War, he's managed to attain the rank of Spartan in the new Spartan-V program, and is the leader of Fireteam Corsair.

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• Ascended Extra: He initially debuted as a Mauve Shirt marine who assisted Saul in Generation, but then became a major supporting character from Omega Halo onward. Word of God also confirms that Scott appeared in the original Spartans as a marine who compliments Saul and Katherine's new armor.
• Badass Normal: He's the only non-Spartan character to survive the initial Flood outbreak and later survives the entire conflict on Instalation-07, something even Saul didn't walk away from.
• Beat Them at Their Own Game: He tries to pull this on Zach in their training simulation. "Try" being the keyword.
• Became Their Own Antithesis: While under the Lifebringer’s control, Scott becomes intolerant and dictative against his subordinates, going so far as to threaten and physically strike Silva when she speaks out against him or questions their orders; these traits gravely contrast with the considerate and trustworthy individual he’d established himself as prior.
• Breakout Character: He goes from a named extra, to a major supporting character in the series, even landing the lead role of Final Farewell.
• The Cameo: In The Last War, a nameless Marine was delivering a eulogy at Commander Grey's funeral. Jacob retconned it so that the Marine in question was Scott. Word of God also confirms that Scott appeared in the original Spartans as a marine who compliments Saul and Katherine's new armor.
• A Day in the Limelight: He's the central focus of Final Farewell, which sets up the Spartan-V program and his eventual ascension to Spartan status.
• Defeat Equals Friendship: Downplayed, as he was already affable with Zach upon first meeting, but losing to the veteran Spartan-III in a practice exercise solidifies his respect for him.
• Expy: Of Sergeant Johnson, being a Badass Normal sergeant who can hang with the Spartans, and Buck, being a battle-hardened ODST who later becomes a Spartan.
  • If one wants to continue with the Clone Trooper comparisons, then Scott is one to Captain Rex: both are introduced as Badass Normal Recurring Extras whom serve as The Lancer to the main protagonists, growing more distinctive as characters later on; both lead an elite division within their respective militaries and put their men's well-being as a priority; both also fall victim to programming implanted without their knowledge by the Big Bad, causing them to turn on their allies unwillingly until they are freed.
• A Father to His Men: Especially towards Corsair. Although he disapproves of Hadley executing surrendering Reformist in cold blood, he goes out of his way to cover for him.
• The Leader: Of Fireteam Corsair. Taken a step further when he's made Spartan Master by the end of Hyborean.
• The Lancer: To Saul during Omega Halo, serving as the Spartan's liaison while maintaining a comradery that had Saul depend on Scott. Scott also becomes one to Zach in Brotherhood War, as the reliable, no-nonsense leader of Corsair who often follows Zach's lead out of respect for his experience.
• Mauve Shirt: He's introduced in Generation as a reliable marine who aids Saul in his pursuit of 'Thalashee.
• Only Mostly Dead: He's put in critical condition by Banshee fire, but manages to hold on just long enough for Grey to put him a cryo-pod, saving his life. He shows up again alive and well in The Last War, delivering the eulogy for Grey's funeral.
• Sergeant Rock: A firm, reliable veteran of the Second War who's often an ally to the Spartans, and now walks among them as squad leader of Fireteam Corsair.
• Super-Soldier: As a Spartan, but this is a given.
• Took a Level in Badass: He takes many over the course of the series, going from marine, to ODST, to Spartan.

Hayley Silva

Hayley Silva

Species: Human

Appearances: Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: Katastrofree VA

Corsair's close-quarters combat specialist.

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• Big "NO!": A terribly gut-wrenching one during Aftermath when she's forced to watch helplessly as she kills Carla while under the Lifebringer's control.
• Break the Badass: Over the course of Aftermath as she repeatedly fails to break free from the Lifebringer's control over her, which comes to a head when she's forced to kill civilians, with Silva left broken after.
• Despair Event Horizon: Being forced to kill civilians while under the Lifebringer's control is this, as indicated by her sobbing uncontrollably after the deed is performed.
• Fighting from the Inside: Is shown to be fighting the Lifebringer's control from Aftermath. Sadly, it gets her nowhere and her will is eventually broken.
• Hidden Depths: She's the only one of Corsair who came dangerously close to beating Zach in the training simulation, implying her skills outstrip even Scott and Chen.
• The Lancer: For Scott in Corsair. Silva often remains by Scott's side, whereas Hadley holes up in a sniping position and Chen rushes ahead to get into the thick of combat.
• The Leader: She is promoted to leader of Fireteam Corsair by the end of Hyborean after Scott is promoted to Spartan Master.
• Nice Girl: The most personable and empathic of Corsair, even relating with the Reformation's hardships due to her outer colony upbringing.
• Punctuated! For! Emphasis!: While beating down her projection of the Lifebringer within her mind, breaking the latter's hold over her:
  Silva: You didn't MAKE me! I am not your SLAVE! And I WILL! BE! FREE!
• The Quiet One: Compared to her teammates, she's not very talkative, though this is justified. She'd have to be quiet in order to get up close.

Mako Chen

Mako Chen

Species: Human

Appearances: Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: Neoka

Corsair's weapons expert and heavy hitter.

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• Axe-Crazy: By the time of Hyborean, Chen's aggressiveness has turned to bloodlust, cackling with glee
• Beware the Silly Ones: While a Boisterous Bruiser with a penchant for combat, Chen displays a serious side when holding up a Reformist who'd recently killed a fellow Spartan-V. She becomes a lot worse while under the Lifebringer's control.
• The Big Girl: She has an aptitude for heavy weapons and is described by Guardian to be strong enough to punch holes through bunkers.
• BFG: Chen likes to use heavy weapons, as per her role in the squad as their weapons specialist.
• Blood Knight: Chen's the most battle-hungry of her team, busting down walls or mowing down hostiles with glee.
• Boisterous Bruiser: She's loud, proud, and strong, and will make sure you know it, too.
• Bruiser with a Soft Center: Strip away the Blood Knight outer layer and Chen is surprisingly big-hearted, especially towards her teammates. Best shown when she's softly comforting Hadley after he suffers a mental breakdown at remembering everything he did under the Lifebringer's influence.
• Cool Big Sis: Towards Hadley. She's quick to snap at him whenever he mouths off, not unlike an older sibling reining in their younger brother. When they're freed of the Lifebringer's control, Chen is the first to comfort Hadley when he breaks down from the trauma of remembering everything he did.
• Demolitions Expert: More specifically, she is the explosive. Who needs C4 when you can blow down walls with your bare fists?
• Gender-Blender Name: Downplayed; the name Mako is currently known to be masculine, but used to feminine when first conceptualized.
• Ground Pound: Chen loves using this thanks to her armor ability.
• More Dakka: Chen's weapon of choice is the SAW, which spews a torrent of bullets that can mow down targets in seconds.

Robert Hadley

Robert Hadley

Species: Human

Appearances: Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: LaughingBlock

Corsair's tech expert and marksman.

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• Beware the Silly Ones: Hadley often comes across as a tryhard, but that doesn't make him any less deadly than his comrades, nor does it mean he's particularly merciful towards terrorists.
• Cold Sniper: Under the Lifebringer's control, he's a lot less chatty and speaks in a chillingly detached tone, most notable while he's lining a shot on Guardian.
• Fantastic Racism: He's not an out and out racist, but he holds very strong opinions of superiority towards the unaugmented and doesn't display much empathy for the Reformation's outer colony hardships, believing they're the ones making life difficult for themselves. This mostly stems from his inner colony upbringing on Mars.
• Friendly Sniper: Zig-zagged. While outgoing, he's not the nicest of people, mostly towards marines, but he gets along with his team swimmingly and eventually comes to respect Zach, albeit begrudgingly after being served a large helping of Humble Pie.
• I Am a Monster: After being freed of the Lifebringer's control, Hadley's immediate response is this.
• Large Ham: For the squad's sniper, he's not very subtle. LaughingBlock gives him a very intense and cocky intonation when he speaks.
• My God, What Have I Done?: Every Spartan cured suffers this in some manner, but Hadley takes it the absolute hardest, outright screaming in horror as he remembers every horrific act he committed for the Lifebringer.
• The Smart Guy: He's the team's technician and knows his way around decryption.
• Sociopathic Soldier: He exhibits shades of this when fondly reminiscing putting down a enemy combatant in graphic detail to his teammates, and later when he executes a Radical Reformist in cold-blood after the latter had already surrendered.
• Sore Loser: He doesn't take it well when Zach gets the drop on him and utterly schools his team in the training simulation.

Others

Edward Galloway

Spartan Master Edward Galloway

Species: Human

Appearances: Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: Master Lyons

Commander of the Spartan-Vs.

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• All There in the Manual: His past as a secretary for ONI as well as his motive for aiding the Lifebringer were ultimately cut out and can be viewed via deleted scenes.
• Authority Sounds Deep: He has a deep, low voice that suits his place as head of the Spartan-Vs.
• Big "NO!": Yells one as Garrett force feeds him a plasma grenade.
• Death by Irony: As a turncoat who sold out his entire race just to destroy the UNSC, it's all too fitting that he died at the hands of Garrett, who himself was a traitor to the UNSC, but always loyal to humanity.
• Defector from Decadence: He, like Garrett, also saw the UNSC as corrupt for all its past atrocities, but unlike Garrett, he willingly and knowingly served the Lifebringer and enslaved humanity to make it happen.
  Galloway: You wanted to see justice brought to the UNSC! Surely, you didn't think you were the only one!
• Dirty Coward: Galloway is confident when he believes he has the upper hand and plenty of back up, but his true colors show in his fight with Garrett. He murders Logan while his back is turned, then attempts to kill Garrett, only to plead for mercy when the tables turn against him.
• The Dragon: He becomes the Lifebringer's, following her takeover at the end of Brotherhood War. While he appears to share the role with Fireteam Corsair in Hyborean, as they're the ones she entrusts to personally deal with Zach, they're just the muscle, while Galloway is revealed to have been Evil All Along and had been secretly aiding the Lifebringer from behind the scenes, making him the true Dragon. Befitting the trope, Galloway is dealt with before Zach and the heroes take the fight to the Lifebringer.
• Expy: If one wants to continue with the Clone Trooper comparisons, he's arguably one of Commander Cody, being a high-ranking leader of a Badass Army who coldly carries out The Purge of their own leaders due to being brainwashed. He later turns out to be closer to Slick, being a turncoat who willingly betrayed his own people and put them in danger out of his own selfishness.
• Evil All Along: After supposedly being cured of the Lifebringer's brainwashing, Galloway murders Logan and turns on Garrett, revealing he was never brainwashed to begin with and had, in fact, willingly served the Lifebringer the entire time.
• Hero Killer: He kills series veteran Logan upon showing his true colors.
• Hero Worship: He openly admires Zach's feats and record, to the point that much of the Spartan-Vs' training and development is derived from the Spartan-III program.
• Mr. Exposition: Justified. He's the Spartan Master and thus, knows a good deal about the Spartan-Vs. It also helps establish the program's background.
• Not Brainwashed: He's revealed to be the only Spartan who was spared by the Lifebringer's mind-altering augmentations because he served her willingly.
• Secret-Keeper: Knows of Zach's past as a Spartan-III.
• Shadow Archetype: For Garrett. He's what Garrett could have become had he allowed his hatred for the UNSC to override his humanity. While both saw the UNSC as corrupt and resorted to siding with the Lifebringer to bring it down, Garrett had no idea of the Lifebringer's true intentions and saw the error of his ways while Galloway was in on the plot the whole time and had no regrets enslaving his own species if it meant the UNSC fell. Unlike Garrett, who was shaped by combat and has the experience to boot, Galloway relied on his quality armor and augmentations to stay ahead, showing he only had a surface-level understanding of what it meant to be a Spartan, while Garrett, for all his faults, remained loyal to humanity in spite of his extremism.
• Small Role, Big Impact: Despite being The Dragon, Galloway only receives one major scene across all of his appearances in the Lifebringer Saga: his murder of Logan and The Reveal that he had been a willing servant of the Lifebringer the entire time. The former brings Zach to his lowest point emotionally and the latter makes him into a Shadow Archetype for Garrett, despite the two only sharing this one scene together.
• Wham Line: After being "cured", he meets with Logan and posits a question regarding said cure that changes everything we know about Galloway.
  Galloway: Yes, the cure. Where is it?

Abraham

Species: Human

Appearances: Brotherhood War

Voiced by:

A member of Fireteam Detonator. He and his team are deployed to destroy some plasma anti-air batteries set up by the Radical Reformists.

---

• Character Death: Is killed by a Radical Reformist minutes after Zach and Corsair had successfully taken down the batteries.
• Sole Survivor: Is the only surviving member of Fireteam Detonator by the time Zach and Corsair arrive on the scene.
• We Hardly Knew Ye: Is given a little characterization prior to his death, to the extent where he makes only a single appearance onscreen.

Navy

Kyle Grey

Commander Kyle Grey

Species: Human

Appearances: Generation | Omega Halo | Border War | The Last War

Voiced by: Jacob Whittington

The SPARTANs' new commanding officer, following Harper's death.

---

• Ascended Extra: He shows up at the tail-end of Generation to become the Spartans' new commanding officer, but becomes a full-blown secondary character in Omega Halo.
• Big Damn Heroes: Twice. He shows up to prevent the Shipmaster from killing Saul (and is ultimately the one to administer the kill shot) and destroys Humble Guardian as he's threatening Katherine.
• Big Good: Takes over the position after Harper's death.
• The Cameo: He briefly appears alongside Katherine at the beginning of Border War, giving a speech on humanity's victory against the Shipmaster.
• The Captain: The commanding officer of the UNSC Heart of Defiance.
• Dark Is Not Evil: He wears dark-colored armor but is one of the good guys.
• Demoted to Extra: After his stint as a major character in Omega Halo, he's back to relatively minor roles for the remainder of his appearances, giving a speech at the beginning of Border War and dying of cancer at the start of The Last War.
• Enemy Mine: He tries to invoke an alliance with the Shipmaster in light of the Flood being unleashed, but the Shipmaster instead opts to activate the ring.
• A Father to His Men: A much stricter and more gruff example than Harper, but still a caring leader who wants to keep his troops alive. He even becomes Katherine's father figure in the same vein Harper was to Saul, so his death in The Last War hits her hard.
• Know When to Fold 'Em: When the Flood are unleashed and start overwhelming his forces, he deems the operation too risky to continue and opts to retreat to gather reinforcements. He's ultimately convinced to stay when the Shipmaster announces his intentions to fire Halo.
• Old Soldier: Per Word of God, Grey is a veteran and has seen his fair share of tragedies.
• Parental Substitute: He became Katherine's in the years between Omega Halo and The Last War, mirroring Saul and Harper's relationship.
• Reasonable Authority Figure: He's willing to hear out the advice of his subordinates, especially the battle-hardened Spartans.
• Sudden Sequel Death Syndrome: Grey has been suffering from cancer for years, and it finally claims his life at the beginning of The Last War.

Braxton

Commander Braxton

Species: Human

Appearances: Omega Halo | Final Farewell | Brotherhood War

Voiced by: Tatsumari

The captain of the Flying Forward. He formerly served as Grey's adjutant aboard the Heart of Defiance.

---

• Ascended Extra: He gets a more prominent speaking role in Final Farewell.
• The Cavalry: When he arrives in the Flying Forward, the Reformist cruiser over Seattle is sent packing, and the UNSC begins winning the naval battle over Earth.
• The Captain: Of his own starship, the Flying Forward.
• Character Death: Killed when the mind-controlled Spartan-Vs turn against the UNSC.
• Hyper-Competent Sidekick: When serving under Grey, though Grey himself was still a capable leader. Word of God has noted that Braxton was a very competent officer in his own right, enough to eventually reach the rank of commander and become The Captain of his own ship.
• Light Is Good: Wears bright, pristine colored armor and is one of the good guys.
• Mauve Shirt: He earns enough characterization for it to mean something when he's killed off in his third appearance.
• Mr. Exposition: Justified. Since Grey is removed from the action, he has to relay developments in the plot to him.
• Number Two: He was Grey's adjutant aboard the Heart of Defiance. After Grey's death, he took over as captain until he was reassigned to the Flying Forward.
• Old Soldier: Not quite as old as Grey, but he's been through quite a few campaigns by the time of Final Farewell.
• Sacrificial Lion: He ends up killed by the Lifebringer's mind-controlled Spartan-Vs to cement how dire the situation is.
• Vocal Evolution: Justified. Final Farewell takes place several years after the events of Omega Halo, so it's only natural that Braxton's voice sounds older and more mature.

Riopel

Captain Riopel

Species: Human

Appearances: The Last War | Lifebringer

Voiced by: Jacob Whittington

The captain of the Homeward Bound.

---

• Boom, Headshot!: Courtesy a Reformist sniper.
• Character Death: Killed by a Reformist sniper during Lifebringer.
• A Father to His Men: When the Homeward Bound comes under attack courtesy the Radical Reformation, sending the heavily damaged ship hurtling towards the nearby planet Cradle, Riopel stays behind to evacuate the crew.
• Forgotten Fallen Friend: Averted; despite being offed so soon into Lifebringer, Riopel is mentioned
• Going Down with the Ship: Zigzagged. Riopel stays behind on the Homeward Bound as it falls towards the planet Cradle to ensure everyone else evacuates first. Only by the time Zach finds Riopel that the latter is ready, as only he, Zach, Guardian and two marines are the only personnel still onboard. Then, Riopel is killed before he can jump ship, with the Homeward Bound splitting in two mere seconds after Riopel's death.

Marines & ODSTs

Emily Knight

Sergeant Emily Knight

Species: Human

Appearances: Omega Halo

Voiced by: Darkfeather

An ODST who accompanies the Spartans deeper into Halo.

---

• And Then John Was a Zombie: After being consumed by the Flood, her infected form is later found by Katherine, who is forced to put Knight down when the latter attempts to rush the former.
• Deadpan Snarker: She has a dry sense of humor, snarking about the potential of a bug hunt. Said "bug hunt" also gets her killed...
• Mauve Shirt: She gets a decent amount of screentime to establish her personality, but it doesn't save her from the Flood.

Roberts

Sergeant Roberts

Species: Human

Appearances: Omega Halo

Voiced by: Brandon Kallenbach

An ODST in charge of the marines sent to investigate the Shipmaster's presence at a dig site in the Sahara Desert.

---

• Badass Normal: Holds his own whilst fighting the Shipmaster's forces.
• A Father to His Men: Is visibly distraught when all of them are killed.
• Impaled with Extreme Prejudice: How he meets his end at the hands of 'Kodomee's last surviving Honor Guard.
• Ink-Suit Actor: Kallenbach had served in the military, and used his experience to authenticate much of Roberts' dialogue.
• In the Back: He never saw the energy blade coming until it was through his torso.
• Mauve Shirt: Receives some noteworthy characterization from being in charge of the marines at the Sahara dig site and from being the last survivor before he meets his end.
• Sole Survivor: Of the UNSC forces stationed at the Sahara dig site, minutes before he meets his end.

Windows

Windows

Species: Human

Appearances: Omega Halo

Voiced by: Laughingblock

An ODST who later accompanies the Spartans into Installation-07.

---

• Blood Knight: A bit too eager to kill some split-jaws.
• Fire-Breathing Weapon: Carries a flamethrower while accompanying Saul and Scott into Installation-07.
• Flamethrower Backfire: Zig-zagged, as the flamethrower isn't hit or penetrated, but the flames from said-thrower cause Windows' death.
• Freak Out: By the time he comes across a Flood form, Windows is screaming in fright.
• Hoist by His Own Petard: Falls victim to his flamethrower when a Flood form comes too close.
• Large Ham: Comes with being voiced by Laughingblock.
• Mauve Shirt: He gets marginally more screentime and personality than most of the Marines accompanying the Spartans, but it doesn't save him when the Flood enter the picture.
• Shout-Out: He's a very clear homage^note confirmed by Word of God even to the character Windows from The Thing (1982), with both using a flamethrower and freezing up when they encounter an alien monstrosity, resulting in their deaths.

142 Drop Jet Troopers

Commander Davis

Species: Human

Appearances: Border War

Voiced by: Kyler Davis

The squad leader.

Mark

Species: Human

Appearances: Border War

Voiced by: Jacob Whittington

The squad's close quarters combat specialist and newest recruit.

Alex

Species: Human

Appearances: Border War

Voiced by: Webster Johnson

The squad's heavy weapons expert.

---

• Big Guy Fatality Syndrome: He's the first to die of the main characters, but he goes out in a blaze of glory.
• Heroic Sacrifice: He sacrifices himself to buy time for his squad to escape from the encroaching Elite armor.

Bryce

Species: Human

Appearances: Border War | Last of the Squad

Voiced by: Webster Johnson

The squad's sniper.

Sid

Species: Human

Voiced by: Cheryl Whittington

Appearances: Border War

The squad's demolitions expert.

Nick

Species: Human

Appearances: Border War | Last of the Squad | The Last War

Voiced by: Kyler Davis

A Falcon pilot who joins Mark after he's separated from his team, becoming an honorary squad member.

Katelynn

Species: Human

Appearances: Border War

Voiced by: Jordan Schnoor

A civilian who joins Mark and Nick's group to help them stop the invading Sangheili.

Terrence

Species: Human

Appearances: Revolution | Domino Effect

Voiced by: Joshua Mies

A UNSC soldier from during the third Human-Covenant War who aids 'Nostrom after the latter's defection from the Fleetmaster's forces.

---

• Character Death:
• Chekhov's Gunman: Provides 'Nostrom a shotgun,
• Enemy Mine: Willingly aids 'Nostrom in his quest
• Friendly Sniper:
• Nice Guy:
• Spanner in the Works:

Theresa Denver

First Lieutenant Theresa Denver

Species: Human

Appearances: Lifebringer | Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: Emma Gordon (Lifebringer), Darkfeather (all other appearances)

A Marine who was assigned to the Homeward Bound, alongside Zach. She assisted him in defeating the Lifebringer, but was the only marine to emerge from the Cradle incident alive.

---

• Badass Normal: Any Marine that can fight alongside a Spartan, defeat a genocidal Forerunner, and live to tell the tale automatically earns this trope.
• Big Damn Heroes: Narrowly saves Zach from being killed during Part 5 of Lifebringer.
• Cool Big Sis: Theresa had a younger sister she was close to after their parents were killed by the Covenant. Theresa planned to be back home in time to celebrate her sister's twenty-fifth birthday. Tragically, her sister was killed by a drunk driver sometime between "Lifebringer" and "Brotherhood: War", during which Theresa was still in cryo sleep.
• Deuteragonist: She's the secondary character of Lifebringer and continues the role in Brotherhood War.
• Jumped at the Call: When hearing of the new Spartan-V program, Denver is quick to put herself forward as a candidate. However, the results came back negative, meaning she was incompatible with the augmentations, much to her disappointment.
• Love Interest: Zach starts developing feelings for her at the start of Brotherhood War and it's heavily implied she feels the same way and isn't above teasing him about it.
• Old Soldier: Chronologically, at the time of Brotherhood War, she's in her 40s, but still maintains her younger physical age of 30-something through cryo sleep.
• Older Than They Look: She was 43 when she was assigned to the Homeward Bound, but states that still looks a decade younger.
• Sole Survivor: Of the Marines stranded on Cradle.
• The Team Normal: Later in Brotherhood War, Denver, despite being found incompatible to receive the augmentations, is promoted by Logan and Menaias due to her experience on Cradle, and given a position alongside the Spartan-Vs in fighting the Reformists.
• Vocal Evolution: Due to changing voice actors between installments, Denver sounds noticeably different in Brotherhood War.

Hugo Mannix

Sergeant Hugo Mannix

Species: Human

Appearances: Judgement

Voiced by: Fairfieldfencer

A marine who intercepts a distress signal sent from Cradle, prompting Mannix and his men to investigate. On their way there, Mannix and his men are attacked and interrogated by some Radical Reformists, who execute both Mannix and his men.

---

• Defiant to the End: Moments before his death, Hugo assures his men that the UNSC will have their vengeance against the Radical Reformation. His last words before Isaka kills him is that he'll see her in Hell.
• A Father to His Men: Puts the safety of his men above his own, pleading that Isaka and her reformists spare them.
• He Knows Too Much: Inverted. Nyla believes Mannix when he says he doesn't know what the Reformation was doing on Cradle, but decides to kill him to keep it that way.
• Heroic Sacrifice: Offers Isaka and her reformists his life in exchange for the lives of his men, an offer Isaka accepts with the promise that Mannix's men will be free to leave the area.
  • Senseless Sacrifice: Unfortunately, once Mannix's men have left said-area, Isaka sends Garrett to kill them to ensure their silence.
• Mr. Exposition: The first to provide crucial information regarding Nyla Isaka, the leader of the Radical Reformation.
• Properly Paranoid: Studied Nyla Isaka due to a distrust towards politicians. Turns out said-distrust was well-placed.

Drew McGarry

Sergeant Drew McGarry

Species: Human

Appearances: Brotherhood War | Hyborean

An ODST who was captured by the Reformation during a reconnaissance mission. He was saved by Zach and later went on to survive the Lifebringer's coup, leading a contingent of ODSTs in secret.

---

• Awesome Aussie: An Australian ODST who more than lives up to the reputation of Helljumper.
• Badass Boast: "ODSTs, let's go to work!" The result? The Spartans are sent packing.
• Big Damn Heroes: McGarry and his men provide the beleaguered Resistance much needed reinforcements against Galloway, and they successfully drive back the Spartans.
• Bring It: After successfully pushing back the Spartans, Garrett remarks that they'll regroup and launch another offensive soon. McGarry isn't intimidated in the least.
  McGarry: I say, bring it.

Adrian Knight

Corporal Adrian Knight

"Hey, keep it down! Are you trying to get me killed?"

Species: Human

Appearances: Brotherhood War: Aftermath

Voiced by: Javalin197

The younger brother of Emily Knight and member of the 87th ODST unit who's smuggling citizens out of the Lifebringer occupied cities.

---

• Ascended Extra: Was briefly mentioned during Chronicler 177's fan mail series prior to Aftermath.
• Badass Normal: ODSTs aren't the second best special forces branch for nothing, and his willingness to defy the Lifebringer by helping citizens escape on his own pushes him into this territory.
• Big Damn Heroes: He saves Carla from a Centurion after it spots her trying to flee the city.
• Death by Irony: Played tragically in that Scott, who may have held feelings for Emily, Adrian's late sister, is the one to gun Adrian down.
• Defiant to the End: He tragically meets his end in a shootout against Fireteam Corsair, but he goes down fighting.
• Meaningful Name: Knight is a rather fitting name for someone helping oppressed citizens, like a knight in shining armor.
• Nice Guy: In spite of the Spartans having orders to kill unaugmented UNSC personnel on sight, Knight still opts to help the beleaguered citizens escape the city. Even when Carla refuses his offer, he tells her where to meet him if she changes her mind.
• "Shaggy Dog" Story: He and the civilians he attempted to evacuate end up mercilessly gunned down by Fireteam Corsair.
• Shout-Out: His first name may be a reference to Corporal Adrian Shephard from Half-Life: Opposing Force.

Zulu 4-Niner

Lieutenant John Miller

Species: Human

Appearances: Brotherhood War | Zulu Flight | Hyborean

Voiced by: Major Winters

A UNSC Air Force pilot who survives the Lifebringer's initial takeover and tries to escape Seattle.

---

• Ascended Extra: In Brotherhood War, he was a minor pilot who provided support to Zach and Denver during the Battle of Seattle, but upgraded to main character for his own side story, Zulu Flight.
• The Cavalry: He and his squadron provided much-needed air support for Zach and Denver, driving back a brigade of Reformation armor.
• Character Death: He's killed in the finale of Hyborean, shortly after his Pelican is shot down by the Spartans.
• Enemy Mine: He was initially reluctant to work with Albrecht, a Reformist grunt, to escape Seattle after six months of their respective sides being locked in bloody conflict, but he eventually warmed up to him after recognizing that their differences ultimately mean nothing compared to the Lifebringer.
• Fire-Forged Friends: With the Reformist Albrecht. Their experiences in Zulu Flight made them into good friends by the time of Hyborean, and almost always seen together.
• Mauve Shirt: Zulu Flight fleshes him out beyond his brief appearance in Brotherhood War, confirming he's one of the non-augmented UNSC survivors of the Lifebringer's uprising. He retains this status in Hyborean and receives enough screentime and development for it to mean something he's unfortunately killed.

Phoenix Team

Efram Logan

Efram Logan

Species: Human

Appearances: The Last War | Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: Jacob Whittington

Phoenix's leader.

---

• Big Good: He serves as this alongside 'Nostrom for Phoenix and continues as one in Brotherhood War when he earns a seat on the UNSC council.
• Blue Is Heroic: Sports blue armor and is undoubtedly one of the most heroic characters of the series.
• The Bus Came Back: After an extended absence, Logan makes a surprise return for Brotherhood War.
• Cool Old Guy: He's mellowed out considerably since retiring from active service and is around 80 years old by the time of Brotherhood War.
• Defiant Captive: When captured by Elites near the end to The Last War, Logan continually defies his captors directly to their faces.
• A Father to His Men: Logan evidently cares for his team, to the extent that he overlooked Zach being a Spartan-III and kept the fact a secret from the other members of Phoenix.
• Heroic BSoD: He falls into it deep after Brotherhood War, having watched the UNSC he'd spent much of his life fighting for be torn down within a single night. Tired from all the fighting, Logan all but gives up in Aftermath.
• Jerkass Has a Point: While he was being overtly abrasive about it, he was right to point out that the Reformation was the reason humanity is now under the Lifebringer's thumb.
• The Leader: The firm head of Phoenix Team.
• Rank Scales with Asskicking: While not a Spartan like Katherine or Zach, Logan proves himself time and time again when leading Phoenix Team.
• Secret-Keeper: Only he knew of Zach's past as a Spartan-III prior to the events of The Last War.
• Took a Level in Jerkass: The loss of the UNSC drives Logan into a depression, causing him to lash out at everyone around him and stubbornly refuse help from the Reformation, in spite of the larger threat of the Lifebringer. Fortunately, he grows out of it.

Brett

Brett

Species: Human

Appearances: The Last War

The team's technical officer.

---

• Artificial Limbs: He has a self-modified cybernetic arm.
• Badass Bookworm: Techno-babble aside, Brett's just as capable on the battlefield as the rest of his teammates.
• Cruel and Unusual Death: Suffers this fate at the hands of 'Krudom's disruptor weapon, which disrupts human particles at a cellular level, effectively disintegrating them.
• Gadgeteer Genius: He often constructs armor and weapon modifications to improve the team's combat efficiency. Zach's cloaking device, for instance, was his handiwork.
• The Smart Guy: He's Phoenix Team's go-to guy for hacking, decryption, and translation of intel.
• Shotguns Are Just Better: His weapon of choice is the shotgun.

Tanner

Tanner

Species: Human

Appearances: The Last War

The team's marksman and scout.

---

• Boom, Headshot!: Suffers this fate at the hands of an Elite sniper.
• Designated Point Man: He's Phoenix's scout, meaning he's often inserted behind enemy lines to gauge their opposition.
• Friendly Sniper: He's the resident Nice Guy of Phoenix and their best marksman.
• Killed Mid-Sentence: Right in the middle of telling Katherine he loves her... Boom, Headshot!
• Love Interest: He grows into Katherine's over the course of The Last War. Unfortunately...
• Nice Guy: The most upfront cordial member of the team, and the one Katherine ends up gravitating to the most, enough to even enter a relationship with him.

Michael

Michael

Species: Human

Appearances: The Last War

The team's heavy weapons expert with a few chips on his shoulder.

---

• The Big Guy: The team's heavy hitter, even described as such by Logan.
• Big Guy Fatality Syndrome: He's the first of Phoenix to die.
• The Bully: Often acts as one towards Tanner, belittling him every chance he gets. While he has his reasons, he often goes too far with it. He gets better.
• Character Development: Gradually learns to let go of his resentment towards Tanner after Katherine calls him out and Tanner saves him.
• Heroic Sacrifice: Dies covering Katherine and Tanner's escape.
• Jerkass: He spends most of his time being hostile towards Tanner and Katherine. He gets better.
• Jerk with a Heart of Gold:
• Kick the Dog: When Katherine calls him out on his behavior, Michael angrily declares those who died in combat to have died because they weren't good enough to survive. Katherine, hot off losing Saul and Grey, takes severe offense to it.
• Old Soldier: He's the oldest member of the team, his veterancy exceeding even Katherine's.
• Redemption Equals Death: Ultimately gives his life to ensure that Katherine and Tanner survive.
• We Used to Be Friends: He and Tanner used to be childhood friends, until a fateful battle where Tanner panicked and was unable to prevent a Zealot from killing their previous teammates. He grew resentful of Tanner for it. Katherine calls him out on it, and helps him to let go of his grudge.

Zach

Zach B-257

See Spartan-III program section for more info.

AIs

Guardian

1167 Humble Guardian/"Guardian"

"Greetings! I am 1167 Humble Guardian, Monitor of Installation-07!"

Species: Monitor, Artificial Intelligence

Appearances: Generation | Omega Halo | The Last War | Lifebringer | Judgement | Brotherhood War | Brotherhood War: Aftermath | Hyborean

Voiced by: Jacob Whittington

The former Monitor of Installation-07. After losing his ring, he's repurposed into an A.I. for the UNSC. He also holds the distinction of being the most recurring character in the series.

---

• A.I. Is a Crapshoot: Downplayed. He's technically still doing what he was created for, maintaining the installation and ensuring activation procedures are followed, but is suffering from degrees of rampancy, which was common for Monitors after thousands of years of isolation.
• Ancient Keeper: The caretaker of Installation-07 for thousands of years.
• Anti-Villain: He's just following his programming, but undergoes a Heel–Face Turn later on.
• Big Bad Wannabe: Upon learning the humans' intent to destroy his installation, he immediately sets about trying to stop them. But since the ring's Sentinel defenses had been destroyed years prior, he's ultimately incapable of hampering their efforts and is dispatched by Grey in short order.
• Big Damn Heroes: Provides crucial aid to Zach and Denver in imprisoning the Lifebringer on Cradle. Pulls off two more near the ending to Brotherhood: War, first by saving Zach from the Lifebringer's clutches, and later when Zach, Denver, and Logan are surrounded by General Garrett, the Radical Reformation, the Lifebringer and her mindwashed Spartan-Vs.
• Brainwashed and Crazy: For a time, he's rendered subservient to the Lifebringer, one of his creators, and ends up defecting to her side. Zach is able to bring him back to his senses and finally kick his adherence to protocol.
• Calling the Old Man Out: He gives Logan a severe tongue lashing after Zach leaves to find Garrett.
  Guardian: You're letting him down, Logan! You're his hero and you've let him down so hard! You're so stuck in your own ditch that you can't see how badly he needs you right now! Snap out of it! I'm sick of your shit! You're so much better than this!
  Logan: I—
  Guardian: And don't you bring up age again, because I've got a hundred thousand years on you. You had your chance to be there for him, you blew it! Now he's got to avoid making your mistakes.
• Character Development: When we first see him in Omega Halo, Guardian is a Lawful Stupid, protocol abiding Monitor in the same vein as Guilty Spark. However, after losing his installation and being repurposed as an Artificial Intelligence for the UNSC, Guardian mellows out and becomes an ally to Katherine, and later bonds with Zach, mirroring the relationship between Master Chief and Cortana. His time with Zach allows him to kicks his adherence to protocol and he turns on his creators, bringing his development full circle.
• Deadpan Snarker: He gains a dry wit and a sharper tongue after spending enough time with humans.
• The Dragon: He briefly becomes the Lifebringer's upon being reprogrammed, but Zach helps him snap out of it.
• Evil Cannot Comprehend Good: It's a stretch to call him evil in Omega Halo, but his tone of voice depicts genuine bewilderment to why the Reclaimers would want to destroy Halo, despite the whole wipe out all life in the galaxy bit.
• Expy: Of 343 Guilty Spark, but only in Omega Halo where he's suffering from rampancy and his strict adherence to protocol. Once he's repurposed into a UNSC A.I., he acts similarly to Cortana for Katherine and later Zach.
• Fighting from the Inside: Minutes after being brought under the Lifebringer's control, Guardian narrowly avoids killing Zach in their first encounter when, after sending Zach off a ledge, opens a portal below that sends Zach to safety.
• Grand Theft Prototype: Takes control of the Centurion prototype in order to save Zach from the Lifebringer during Brotherhood: War. He continues to use this body afterward.
• Heel–Face Revolving Door: At first a neutral, somewhat antagonistic character in Omega Halo but later becomes an ally to the UNSC in The Last War. In Lifebringer, he defects to the Lifebringer out of loyalty to his creators, but Zach is able to bring him back, and this time it sticks.
• Heroic Sacrifice: Ends up Taking the Bullet to save Zach from the Lifebringer. Later subverted, as he only lost his physical body but survived.
• Humanity Is Infectious: He starts the series like any other Monitor who strictly adheres to protocol, but spending years alongside humans leads him to think for himself and pick up some of their traits, like a sense of humor.
• I Hate Past Me: "Hate" may be too strong a word, but Guardian does not look upon his behavior as a Monitor too fondly, at times sounding ashamed.
• "I Know You're in There Somewhere" Fight: Zach helps Guardian break free from the Lifebringer through this. Guardian later tries to pull one off on the mindwashed Fireteam Corsair, but to no avail.
• Lawful Stupid: Like his fellow Monitors, the Flood being unleashed means the rings must be fired and that's the only option. Naturally, this puts him into conflict with the humans.
• Meaningful Rename: Upon shedding his loyalty to the Forerunner and adherence to protocol, he rebrands himself as just "Guardian" to show his individuality.
• Narrator: He often narrates the backstory and sets up the major figures across multiple installments.
• Not Quite Dead: Grey blasts him to bits with a SPARTAN Laser, like Chief did to Guilty Spark. But like Guilty Spark, this isn't the last we see of him, as he continues to appear throughout the series.
• Obliviously Evil: He doesn't quite understand why the humans would take umbrage with the galaxy being cleansed of all life to stop the Flood.
• Shipper on Deck: He's quick to point out that Zach may be forming romantic feelings for Denver, and just as quick in making some playful jabs.
• Shotguns Are Just Better: After taking control of the Centurion prototype, Guardian uses its shotgun from then on.
• Well-Intentioned Extremist: His ultimate goal is to stop the Flood, but his method of doing so results in mass genocide of the galaxy, thus starving them of potential hosts. Fortunately, he grows out of this.

Cecil

Cecil

Species: Artificial Intelligence

Appearances: Zulu Flight

Voiced by:

A superintendent A.I. who Zulu 4-Niner recovers during the Lifebringer's initial takeover.

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• Benevolent A.I.: A given for a superintendent A.I.
• Fire-Forged Friends: While initially opposed towards working with Albrecht (moreso than Zulu), Cecil grows to like him and ultimately sacrifices itself to save both Albrecht and Miller.
• Heroic Sacrifice:
• Once for Yes, Twice for No: Much like Vergil, Cecil can only speak through prereorded messages.