Outer Planets Alliance
- Fighting for a Homeland
- Quality Vs Quantity: Actually, the Belters arguably have the largest total number of spaceships in the Sol system, compared to Mars and Earth...it's just that they're all civilian ships. At any one time, most Belters live and work on their small "rockhopper" ships, not on their asteroid bases. Nonetheless, they have nothing that can compare to the military-grade warships and dreadnoughts of the UNN or MCRN. Consider that The Expanse was originally conceived of as a tabletop RPG before being developed as a novel series: Mars is at the "high-quality low quantity of ships" end of the spectrum, while the Belters are at the opposite extreme of "low-quality high quantity" (with Earth balanced on the middle of the spectrum).
- Home Field Advantage / Weak, but Skilled: the formal military fleets of Earth and Mars scoff at the OPA, who are basically Space Truckers — but the Belters live their entire lives in space, used to braving the dangers of the asteroid belt and the strain of living in low-g. The Belters are playing on their own turf in space combat and can fly circles around UNN or MCRN fleets in hit-and-run attacks, flying through rough debris fields where Inner ships wouldn't dare.
- Tattoo as Character Type: Members of the OPA can be identified by the various tattoos they sport.
- Many, such as Naomi, have a stylized tattoo around their necks that feature an off-center gap. These symbolize contact burns from faulty helmet connection collars that many older Belters, like Anderson Dawes, have on their necks.
- Other Belters have the stylized anarchy symbol of the OPA on them in visible places.
- Going further, the various OPA factions have their own tattoo cultures and members can be easily identified by the marks on their bodies.
- Vehicular Turnabout: Due to not having their own military shipyards, most of the ships available to the OPA are either looted Earth and Mars ships, or most often, simply civilian ships they've haphazardly retrofitted with weapons (i.e. in Season 2, a troop drop-pod is literally a refitted cargo container with the "FedEx" logo still on the side). The salvaged top-of-the-line Martian corvette Rocinante crewed by the Canterbury survivors is actually one of the most advanced ships they have access to. Not to mention, of course, the OPA affiliates at Tycho shipyard contracted to build a massive generational starship for the Mormon Church, only to commandeer it for their own uses and eventually retrofit it into a giant Belter warship, the O.P.A.S. Behemoth.
- We ARE Struggling Together: The Outer Planets Alliance is more of an idea than a unified movement. A common refrain among the more hard-core believers is "There's OPA, and there's OPA". The name itself is used as an umbrella term for a variety of semi-independent groups all of which ostensibly seek to form an independent Belter nation. These groups range from what are basically labor unions and political activists all the way to active terrorist organizations. Some are incredibly violent and are willing to make targeted assassinations while others seek to foster goodwill and act through diplomacy.
- Anderson Dawes (on Ceres) and Fred Johnson (on Tycho) have managed to band several cells to try and work together for their common goal. By presenting a unified front, they hope to set themselves up as a legitimate government for the future Belter nation. But these two groups have differing views on how to move forward with Dawes seeking legitimacy through force while Johnson seeks legitimacy through diplomacy.
- Word of God explicitly compares the OPA to rival factions of the Irish Republican Army, among many others throughout history: loosely affiliated different cells which sometimes can be browbeaten to come together towards a unified goal.
- Your Terrorists Are Our Freedom Fighters: The OPA (Outer Planets Alliance) claims to fight for the Belters, but Earth considers them to simply be a terrorist group.
As a Belter, the world of politics has never been open to him, but this Ceres Liaison to the Outer Planets Alliance works tirelessly behind the scenes to rally the laborers and other less legitimate elements behind the cause.
A true Belter down to his brittle bones, Anderson Dawes' neck is scarred from early model space suits whose contact points would cook the skin beneath them. Having grown up on Belter ships in some of the worst poverty found anywhere in the solar system, he has seen the toll that exploitative corporations and debilitating taxation can take on human life. As a result, he is determined to right the wrongs visited upon Belters ... and isn't afraid to get his hands dirty in the process.
After Col. Fred Johnson committed one of the worst acts of brutality in Belter history, it was Anderson Dawes who found him, saved his life, and gave him purpose advocating for Belters.
- Adaptational Villainy: In the books, Dawes is very forthcoming with Miller, tries to persuade him in good faith to walk away from the Mao case before conspiring with Shaddid to get him fired, seems to sincerely want to get to the bottom of Julie's disappearance, and never threatens Miller's safety. In the show, Dawes misleads Miller from the jump, tries to buy him off by sacrificing one of his underlings, and, when that doesn't work, tries to have him killed.
- Ascended Extra: Dawes was a relatively minor OPA member in the original book, but here he's a very powerful OPA leader. According to Word of God, he would've been a minor character in the series too, but Jared Harris's performance was so good that the writers decided to give him a bigger role.
- Anti-Villain: Of the Well-Intentioned Extremist variety. He really is entirely sincere in his beliefs, and is genuinely fighting for the freedom of his people, in what he believes is the best way. His motives are ultimately heroic - and to achieve those motives, he will do anything.
- Bad Boss: In general, he has little compunction in sacrificing others for his goals or even his own personal beefit. He sent Julie on a dangerous mission, which she undertook believing that Dawes would never willingly endanger or abandon her. When everything goes wrong and she winds up stranded on Eros, she desperately sends him a distress call which he cruelly never answers. It's heavily implied that he ignored it because her failed mission would damage his own reputation.
- Cold Equation: He tells Miller the story about his sister, suffering the ill-effects of a life spent in zero gravity without access to hormone boosting medications, and having to end her life because she became too sick to travel: "an impossible burden for a dirt-poor family of rock-hoppers." While he tries to frame it as a tragic story about the hard-scrabble lives of Belters, Miller dismisses it as a sign that Dawes is willing to let others die while being unwilling/unable to make the sacrifice himself.
- Cynicism Catalyst: The death of his sister turned him into the passionate, ruthless terrorist that everyone respects or fears.
- Deadpan Snarker: The first thing he says to Miller after his own goons beat the crap out of him? "You can't do that to him. He's Star Helix!" He otherwise has a fairly sharp sense of humor.
- Distinguishing Mark: He has a prominent scar on his neck that he doesn't try to hide. These are the result of faulty space suit seals that caused burns on the wearers' skin. It is a mark shared by a generation of older Belters and the founding members of the OPA. Later generations tattoo similar marks onto their necks as a sign of allegiance.
- Good Cop/Bad Cop: In a sense, the bad cop to Fred Johnson's good cop. It just happens that they're dealing with different groups of people.
- Faux Affably Evil: As befitting a terrorist leader, he's a very charismatic man who's able to sway people into Undying Loyalty. After the Canterbury's destruction he stops a Belter assault on a Martian deckhand, saying that Belters must try and show the rest of the Solar System that they are civilized, peaceful people to be taken seriously, not violent animals. In private, he favors openly violent methods and demonstrates the depths of his cruelty and ruthlessness. He has no qualms about summarily executing people if he believes they won't be of use to him.
- Freudian Excuse Is No Excuse: Dawes was inspired to become the terrorist he is now when he was forced to kill his terminally ill sister because his family couldn't afford to take care of her. After hearing this, Miller bluntly tells him that it only proves that he's willing to sacrifice anyone for the sake of his cause, except himself. Dawes gets pretty pissed about it.
- Hypocrite: After kidnapping Cortazar from Fred Johnson, Dawes (rightfully) accuses him of intending to use the protomolecule as a weapon for the Belt regardless of the danger while flat-out proclaming that he's doing the same thing, but that the fact he's a Belter makes it okay.
- It's All About Me: Dawes is genuinely dedicated to free the Belt, but he'll only do it his way and refuses to compromise on anything or even hear anyone else out.
- Large Ham: Dawes is something of a charismatic showman, with a penchant for being dramatic whenever he's trying to talk to his followers, or just anyone in general.
- Neighbourhood-Friendly Gangsters: Holden grumbles about how all ships docking at Ceres are forced to pay tribute to Dawes but Naomi counters that by saying that Dawes used that "Belter Tax" to better the lot of poor Cereans.
- Out of Focus: Jared Harris' increasing profile and busy schedule means that Dawes himself stops showing up in person after Season 2; for the next few seasons, he remains a powerful offscreen political force who is often mentioned but he gradually fades into the background entirely.
- Pragmatic Villainy: Dawes is ruthless and will resort to violence without a second thought when he thinks it is beneficial to his cause, and is every bit as willing to be diplomatic, compromise, make deals, and work within the system, whenever he thinks that is beneficial to his cause.
- Teeth-Clenched Teamwork: By Season 3 his faction and Fred Johnson's faction have an uneasy peace and are working together to crew the Behemoth. Neither side is particularly happy about the arrangement, but it mostly works.
- Token Evil Teammate: Nominally on the same side as the heroes, much as they might wish he wasn't.
- Villain with Good Publicity: Dawes is a ruthless, manipulative user who's perfectly willing to sacrifice others either for the cause or to save himself, but to the Belters he's a hero with a lot more street cred than the much more even-tempered Fred Johnson.
- We ARE Struggling Together: With Fred Johnson, whose life he once saved and whom he mentored into becoming a powerful OPA leader. These days, they often find themselves at odds due to Johnson's more peaceful methods. Dawes sees him as soft, and takes anything less than unquestioning obedience as betrayal.
- Well-Intentioned Extremist: He's genuine in his desire to gain independence for the Belt and elevate the Belters to a new, better life. He's also an incredibly dangerous terrorist willing to screw over anyone at any time to achieve his goals.
Captain Klaes Ashford
A commander in the newly formed OPA Navy, appointed by Fred Johnson and Anderson Dawes to act as Drummer's First Officer aboard the Behemoth. Has an extremely shady and unscrupulous past as a violent pirate, and immediately begins making moves to undermine her.
- The Ace: Of a sort. Ashford is a brilliant fighter (in the absence of an organized military, his past as a legendary pirate makes him the closest thing Belters have to a war hero), a highly effective leader, and a shrewd politician. He seems to follow Dawes out of a shared vision, but by Season 4, he seems to be more of a Dragon with an Agenda, as hes more focused on creating a brighter future for humanity as a whole rather than just the Belt.
- Adaptational Badass: He's much more intimidating and manipulative than his book counterpart, who's introduced as more of an uptight, incompetent control freak.
- Adaptational Expansion: In the books, he does not appear after the events of Season 3. In the show, he gets his own storyline exclusive to the show with Drummer in Season 4.
- Adaptational Heroism: He's also much more benevolent than his book counterpart, squashing a proposed mutiny, adamant about saving Drummer after her Heroic Sacrifice, and offering the Behemoth as a sanctuary for any injured requiring gravity to heal. Though he is the antagonist of the season finale, he's motivated out of a genuine desire to save lives, whereas his book counterpart was just trying to get petty revenge against Bull and Pa for stealing his command.
- Ambiguously Evil: He comes across as a very slippery figure. He has a pirate past, Drummer clearly distrusts him, he's far too comfortable with casual violence and there's a general air of menace about him. That said, he does seem sincere in his motivations to see the Belters achieve a better life. His actions in "Fallen World" — namely, risking his life to save Drummer's and offering the Behemoth's Centrifugal Gravity to the wounded UN/MCR personnel — go a long way toward painting him as a Knight in Sour Armor.
- The Atoner: He was once a ruthless pirate, but is now trying to create a more peaceful world for the next generation.
- Badass Boast: When Diogo starts making mutinous statements, Ashford puts the younger Belter back in his place.Ashford: Tread carefully, my good boy.
Diogo: You been bossmang from da time before me or half the Beltalowda on this ship was born.
Ashford: Yeah, that's true. I have. And I've drunk real Earth whiskey out of a UN Admiral's mug and then scuttled her ship. I flew dark past a Martian battle group, and they never even knew I was there. And I've seen friends breathe vacuum, and watched my only child burn. So when I tell you to tread carefully, you would do well to stop talking.
- Deadpan Snarker: One of the best. One feels that he's just about the only character who can verbally spar with Avasarala.Ashford: (on Maneo) Ah, they'll be naming babies and ships after him for 50 years.Drummer: If the galaxy is still here in 50 years.Ashford: Your optimism makes me feel young again.
- Establishing Character Moment: In retrospect, his first meeting with Drummer establishes his personality far more than its initially apparent. He strolls onto the Behemoth with confidence and swagger, snarking at Drummer's command, with a dark history and an alliance with Dawes. Then, when Diogo steps too far out of line, he immediately and publically reprimands the kid and makes a point of noting that Naomi has done far more for the Belt than Diogo ever has, that Drummer is Diogo's commanding officer and will be respected, and that his new position in the OPA Navy is not an excuse to throw his weight around. He's dramatic, sarcastic, and demands respect but despite his checkered past, he's ultimately interested in the Belt's future and respects those who have earned it.
- Another one takes place when Ashford is watching an old video of him singing to his infant daughter, showing his softer, more nurturing side and establishing just how deeply losing his child affected him.
- Face Death with Dignity: When Marco airlocks him, Ashford refuses to bargain for his life, instead choosing to calmly flip Marco off and sings a song about being executed as he dies.
- He uses the opportunity to try to get Marco to explain his plan so that whomever comes looking for Ashford will be able to stop Marco. Drummer discovers Ashfords final log (an audio recording of Ashfords conversation with Marco) and figures out the plan, but its too late.
- Failed a Spot Check: He would have had Marco dead to rights had he checked his peripheral and noticed Filip.
- A Father to His Men: After ordering his crew to report to the medbay for mandatory blood donations to help with a medical emergency, Ashford immediately departs for the medbay for his mandatory blood donation, because he won't subject his crew to something he isn't willing to go through himself.
- Final Boss: Of Season 3. The season had multiple Disc-One Final Boss characters with Errinwright, Mao and Clarissa, but Ashford is the last threat of the season and instead of being the Big Bad, he's a Hero Antagonist.
- Fire-Forged Friends: He and Drummer start out at odds with one another due to the rivalry between their factions, but they become friends after spending several hours crushed beneath a crane together.
- Hazy Feel Turn: His motives were always good and he was never really an outright villain, but he's quite firmly on the side of the heroes by Season 4 after spending much of Season 3 as an antagonist.
- Hero Antagonist: Is technically an antagonist for a couple episodes, but has genuinely heroic motives and is just operating off incomplete information. He gets off fairly lightly as a result, and Drummer even offers to share a drink with him (which he declines) after the conflict is resolved. By season 4 the two of them are good friends.
- Heroic Sacrifice: Attempted. Though it could be Villainous Sacrifice - depends on your point of view. When all the ships were trapped by the Slow Zone as the Nucleus was ramping up an electromagnetic discharge to destroy the entire Sol system, Ashford made the call to use the Behemoth's comm laser to slice and destroy the ring. It would've doomed everyone inside to a slow and agonizing death, but the system would be safe and no one else would get stuck in the ring space. Thankfully, Holden and Anna managed to convince everyone there was a better way.
- Played with in Seasons 4 and 5. He goes on what he knows will probably be a suicide mission in order to stop Marco. Rather than kill Marco, he successfully gets Marco to reveal his plans. Ashford's recording allows Drummer and Avasarala to piece together Marcos plan and bring a premature end to the attacks on Earth.
- Incoming Ham: He announces himself with quite the flourish.
- Jerk with a Heart of Gold: Slimy, dishonest, manipulative, rude, sarcastic, and entirely genuine in his desire to build a peaceful and united future for humanity.
- My God, What Have I Done?: He's visibly horrified when it turns out his stint as the season 3 Final Boss was All for Nothing, having at this point killed his second-in-command and sent several others to their death, believing it to be for the greater good of protecting the human race.
- Mythology Gag: In a conversation with Naomi about how he came to be in command of the Behemoth:Ashford: You were expecting mutiny?
- Noodle Incident: We never get any details on how Ashford got burned. It's reasonable to assume (from what he tells Diogo) that he was burned in the same accident that killed his child.
- No Sense of Personal Space: He tends to get very close to people, especially Drummer, as a method of intimidation.
- Number Two: He's meant to act as one to Drummer, but he wastes no time undermining her authority. By Season 4, though, after they've become friends, he has become this to her for real.
- Old Soldier: Ashford is in his older years (especially since it was established in Season One that the average life expectancy for a Belter is around 65 years), but he's as sharp and dangerous as ever. When an old enemy (and much younger man) throws a punch, Ashford easily dodges it and lays his opponent on the floor.
- Outliving One's Offspring: He tells Diogo that he witnessed his only child burning to death, and later is seen watching a home video of himself singing to and playing with his baby daughter in zero-g. It becomes clear that his grief over the loss of his child plays a very important role in his overall motivation.
- Passive-Aggressive Kombat: During Season 3, Ashford engages in some sharp verbal back-and-forth with Drummer; their hatred for each other is downright palpable. Every other word is a thinly-veiled insult.
- Pragmatic Villainy: He tells Diogo off for suggesting that he replace Drummer as captain. As Drummer suggests later, it's not because he doesn't want to replace her, but he doesn't want a mutiny on his hands when he does it.
- Reasonable Authority Figure: When the OPA gets a chance to move up as an equal player in the solar system, he's quick to temper Drummer's more violent methods with the reality that they need to present themselves as civilized people, which means not spacing morons for a dumb decision. Even though Naomi doesn't trust him, she agrees he's in the right, convincing Drummer to play along. He makes an apparently-genuine effort to reconcile with Drummer despite their mutual animosity, even quashing the beginnings of a mutiny that would have put him in the captain's chair (especially noteworthy as his book counterpart actually let the mutiny happen and took over the ship). During a disaster situation, he also offers the Behemoth as a medical facility to all the surrounding ships, regardless of factional affiliation, because it's the only vessel currently capable of generating gravity.
- Space Pirates: He ran a pirate crew before rejoining the OPA after the Time Skip. It's a source of friction between him and Drummer.
- Token Evil Teammate: Subverted. Ashford is set up as this, with an extremely violent criminal past and ties to Anderson Dawes' radical militant faction of the OPA, but turns out to be rather even-tempered and moderate.
- The Starscream: Drummer accuses him of thinking he should be in command, and he easily admits so with a side helping of snark. He insinuates that Drummer was chosen as a political move, whereas he has the right experience. It doesn't take him long to start undermining her authority in clever little ways.
- Two-Faced: One side of his face and a decent chunk of his chest is badly burned.
- Well-Intentioned Extremist: When he realizes Holden was telling the truth about the risk the protomolecule station poses to humanity, he tries to destroy the Ring so it will never again pose a threat, even though this would strand everyone already inside it and doom them to a slow death. As he sees it, even if they were to somehow avert disaster now, humanity could never be trusted not to screw up and get everyone killed. Ironically, doing this would have caused the very disaster he hoped to avert, but he was stopped in time.
- You Are in Command Now: Unlike his book counterpart, who takes command of the ship through a mutiny, Show-Ashford is thrust into the captain's chair when Drummer is medically incapacitated. This is just temporary, as she's back in command by Season 4.
Juliette Andromeda Mao
The high-society daughter of one of Earth's wealthiest and most powerful people, Julie was never content with the life of a socialite or cutthroat enough for business. A champion light spacecraft pilot, she became well-known after garnering a number of wins on the Near Space Regatta circuit. After a falling out with her father, she rejected all of his wealth and support in order to start a new life out in the Belt. Joining a student organization — The Far Horizons Foundation — with ties to the Outer Planets Alliance, she worked tirelessly for the betterment of Belters... right up to the day she went missing.
- Advertised Extra: Despite the character being the primary motivation for most of the cast, especially Miller, she makes very brief and sporadic appearances and never directly interacts with anyone else before Miller finds her controlling Eros.
- Big Bad: In an unusual manner, she takes the role briefly early on in Season 2. See Mike Nelson, Destroyer of Worlds
- Daddy Issues: Julie always chafed under her father's hypocrisy and impossibly high expectations. The fact that she was still his favorite by a long shot in spite of this (or rather, because of this) ensured she would never have any kind of healthy relationship with her sister, either.
- Defector from Decadence: Her family is so wealthy that the mere mention of their name raises eyebrows. She became involved in promoting Belter rights while in university and decided to dedicate herself to that cause, to the shame of her family. Messages between herself and her father show that spite plays a huge role in her decision to turn her back on wealth and privilege.
- Dying Alone: Played with. Her original body dies alone, begging for her mother, but after becoming the core personality of Eros, when she crashes into Venus, she impacts with Miller beside her.
- Eye Scream: Not that she's alive to feel it (probably) but by the time Miller and Holden find her on Eros, her left eye has been destroyed by an outcropping of crystallised protomolecule.
- Fan Disservice: Normally, a nude Florence Faivre would be rather hot, but here, she is nude and infected by the protomolecule.
- Living MacGuffin: She's primarily a plot device and not a character in her own right until "Leviathan Wakes" when she gets the opening narration, which gives her some characterisation. Later on she's shown to be directly piloting the protomolecule-controlled Eros, and Miller has to reach out to her to get her to steer it away from Earth.
- Mike Nelson, Destroyer of Worlds: Thanks to some bizarre circumstances involving the protomolecule, she nearly wipes out all life on Earth by setting Eros on a collision course with the planet, under the mistaken belief she is flying her ship there. When Miller gets through to her, she changes course and hits Venus instead.
- Missed Him by That Much: The last shot we see that is implied to be from Julie's perspective is a shot of Miller entering her hotel room. She's never seen him before that point, which implies that she is, in fact, seeing him then. Given the timing, it's implied she died less than a minute before he arrived — or indeed may still be in the last seconds of life.
- Morality Pet: She's Miller's main motivation for trying to reform himself.
- Rich Kid Turned Social Activist: She was born into one of the wealthiest families on Earth but had no interest in the lavish lifestyle of her peers. In college she joined a student activist group called the Far Horizons Foundation, which eventually led to her joining the OPA.
- "Shaggy Dog" Story: The search for her, whether the ones searching know it or not, drives the plot of the first eight episodes. They find her dead in the shower of a crappy hotel on Eros, consumed by the protomolecule which had infected the Anubis. But later Miller surmises that her consciousness melded with the protomolecule and he's able to meet her on those bizarre terms.
- Unwitting Instigator of Doom: If she'd just been a little more careful getting off the Anubis, the protomolecule would have been destroyed for good when Amos nuked the ship in "Salvage". Since she got infected on the way out, those behind the conspiracy were able to extract a viable sample of it from her body, allowing them to complete their original plan of infecting Eros.
A rock hopper who tried to set up a graywater theft operation on Ceres before being busted by Miller. After a rough encounter with Martian border patrol left him stranded in deep space, he joined up with the OPA as a soldier. And, despite how they first met, he harbors no ill-will towards Miller and cheerfully attaches himself to the former detective when the two meet by happenstance in the middle of an OPA operation.
In Season 3, he's joined the brand-new OPA Navy as a lieutenant and is serving beneath Ashford aboard the OPA Behemoth.
- Ascended Extra: In the books, he's just a young OPA grunt that Miller has a couple of friendly conversations with. The series gives him a multi-season story arc.
- Asteroid Miners: He used to work as one with his uncle before the mounting tensions in the solar system ended this career and forced him into the life of a small-time gangster on Ceres instead.
- Born Lucky: In the first season, he happens to be caught stealing water by a merciful Miller rather than a more spiteful cop or gangster. Then he's thrown out the airlock in the middle of deep space with nothing but the air in his suit tank to sustain him, yet he's eventually picked up by a passing ship. In the second season, he's shot in the head and survives because his opponent was using a gel gun designed for crowd control. Then he survives a shrapnel storm with nary a scratch even as Miller, who was nearby, suffers a suit puncture. Dawes uses him as a diversion when kidnapping Cortázar, which results in his arrest and imprisonment, only for him to get a pardon after the Time Skip and end up under Ashford's command. His luck runs out when Naomi drops an elevator on him in "Abaddon's Gate".
- The Bus Came Back: He returns after the Time Skip, now a full-fledged member of the OPA under Ashford's command.
- Chekhov's Gunman: Seems to be just a hapless criminal that clues Miller in on the fact Ceres gangs are leaving the station. Then he gets a subplot later in the season and turns up again in Seasons 2 and 3.
- Dumb Muscle: Basically his entire character condensed into two words. Diogo is about as bright as the asteroids he used to mine with his uncle, and whoever he's currently working for is constantly exploiting this to let him do the dirty work without asking questions or understanding his bosses' true agendas.
- Ironic Echo: The first thing he says to Miller when they're reunited? "Stay away from da aqua!" Same words Miller shouted at him when he cut him loose after stealing water.
- Large Ham: Goes up several levels of ham after joining OPA, including shouting at Miller across a room and proudly proclaiming that he's "Invincible Me!" after getting shot with a gel gun.
- Never Speak Ill of the Dead: Diogo's relationship with his Uncle Mateo was largely vitriolic in life. After his death, Diogo idolizes Mateo and his Senseless Sacrifice against the Inners. He repeats the process after Miller tries to sacrifice himself for Diogo, despite Miller's distaste for Diogo's philosophy on life. He later claims (or misremembers) Miller's final words as "Continue the fight for the Belt! You must live. Just Live!" instead of a teasing "Go get laid, kid."
- Odd Friendship: He and Miller become friends after meeting again in season 2, with Miller providing a moderating voice for Diogo's boundless enthusiasm.
- Oh, Crap!: His face is screaming this for the split-second he has between realizing he's about to be turned into paste by a falling elevator, and the moment the cabin hits him.
- Rank Up: Goes from small-time criminal on Ceres to being part of Fred Johnson's assault teams, and then even further to joining the newly formed OPA Navy as a lieutenant under Ashford's command.
- Smug Snake: When Naomi encounters him again in "Delta-V", Diogo snidely taunts her about Cortázar, showing no remorse for his actions. It's clear that he's as stupid and easily led as ever. Ashford at least puts him in his place, pointing out that Naomi's done more for the Belt than he ever will.
- Surprisingly Sudden Death: He's set up for an epic battle with Camina Drummer in the Season 3 finale, only to abruptly be turned into roadkill by a large elevator Naomi dropped on him from way above.
- Too Dumb to Live: More than a few people have this opinion of Diogo. Miller considers him to be a naive idiot for attempting to steal water from right under the nose of the Governor of Ceres in the middle of the territory of the Loca Greiga, one of the station's most vicious gangs.
- Took a Level in Jerkass: After Dawes massively inflates his ego following the Eros incident, he starts genuinely living up to his In-Series Nickname of "Little Shit." Fittingly, no one mourns his death.
- Unwitting Pawn: His eagerness to live for the Belt makes him distrust Johnson and leads Dawes to use him for his own ends.
An OPA thug aboard Ceres who left Havelock hospitalized during a Belter uprising.
- Asshole Victim: Miller takes advantage of the chaos on Eros to blow his brains out. Given that Filat was just an unpleasant thug, it's no great loss.
- Bald of Evil: He doesn't have a hair in his head, and he's shown to be a smug and unpleasant thug.
- Boom, Headshot!: Courtesy of Miller.
- Hated by All: According to Dawes, not even his fellow OPA members like him. Given that Dawes is never the most reliable source of information, it's impossible to tell whether or not it's true, though him joining up with CPM likely didn't endear him to Dawes's faction at all.
- Jerkass: He's shown to be a rather smug bastard, who even Dawes admits to loathing.
- Smug Snake: He puts on a show of being tough and swaggering and clearly enjoys tormenting Havelock, but he only goes after him because he had a cushy job waiting for him on Eros and he wouldn't have to face the consequences of his actions.
Frederick "Fred" Lucius Johnson
The Chief of Operations at Tycho Station's colossal mobile construction platform, Frederick Lucius Johnson oversees the construction of space stations, the spinning up of asteroids, and in recent years the construction of mankind's first generation starship: the Nauvoo.
A retired Colonel with the UN Marines, Fred is notorious for his involvement in a UN military action that will live on in infamy. Since his disgrace he has sought solace and penance working to better the life of Belters all over the system.
Fred is an outspoken advocate for the Outer Planets Alliance, a Belter advocacy group who seek legitimacy, but are often accused of terrorism.
- The Atoner: The events at Anderson Station troubled him so much that he turned his back on the UN and Earth and joined the OPA, becoming one of its leading figures.
- Awesome by Analysis: When Holden tries to bluff his way into a strong bargaining position, Johnson instantly and smoothly dismantles his power play."That's a Corvette-class Martian frigate that typically crews thirty. I only see two of you. That tells me that you're trying hard to hide your numbers. Tactically, if there were more, as a show of force, you would've brought them out. I'm guessing there are two to four people left on your ship, and I'm confident there's no Martian Navy on board. If they were, they'd be out here speaking with me now. You walked off that ship because you're in charge. At least you think you are..."
- Badass Baritone: He has Chad Coleman's deep, commanding voice.
- Berserk Button: It is alright to disagree with him. He won't take too kindly, however, to people actively trying to undermine him or advocating open violence. He's thrown people out of airlocks for that.
- The Butcher: Some people know him as the "Butcher of Anderson Station" from when an indiscriminate UNN assault on a Belter station resulted in the deaths of all those on board, including young children. Season 2 reveals that he wasn't aware that the Belters had surrendered since the UNN fleet was jamming all signals from the station, and his disillusionment at being manipulated resulted in his defection to the Belt.
- Colonel Badass: During his UN days; although he's no longer a colonel, he's a very formidable figure.
- Dies Differently in Adaptation: Fred is shot dead during Marco Inaros' coup of the OPA. In the books, he survived this attack, only to later die of a stroke brought on by a high-g burn during a battle with the Free Navy.
- A Father to His Men: He tries to make sure that the OPA factions aboard Tycho all get fair access to corporate contracts and will only send people into harm's way if he thinks there is no other choice and the decision weighs heavily on him.Johnson: I thought I was done with this...sending people to their deaths.
Drummer: Everybody here is a volunteer.
Johnson: That was the old trick. Getting them to believe it was their own idea.
- Greater-Scope Paragon: Depending on whether or not someone agrees with his political stance. People almost always agree that Johnson is focused on the bigger picture and has one of the best understandings of the current situation in the solar system.
- The Men First: When the Black Sky faction's attempt to take over Tycho Station ends with Drummer bleeding out from a gutshot and Johnson himself almost suffocating, he refuses to accept the rescue team's help until Drummer has been stabilized first.
- Names to Run Away from Really Fast: He's known as the Butcher, and although he's ashamed of the incident that led to him gaining that name, he isn't above using that reputation to intimidate his enemies.
- Never Speak Ill of the Dead: Subverted. He describes Miller as "a depressed, suicidal ex-cop... who got the job done."
- No Respect Guy: Just about every faction has a reason to hate him. The Belt hates him for what he did to Anderson Station, Earth hates him for joining the OPA, and many members of the OPA stifle under the command of an Earther who committed a war crime against the Belt.
- Out of Focus: After playing an important supporting role in Seasons 1 and 2, his screentime in Season 3 amounts to about three minutes in total. He gains more screentime in Season 5, only to be killed early on.
- Reasonable Authority Figure: Compared to Dawes, his approach to the OPA is much more diplomatic and more willing to hear people out.
- Scary Black Man: Downplayed. Johnson happens to be black (which doesn't appear to carry very much meaning in the setting) and his history as 'The Butcher' is something he doesn't hesitate to lean on if necessary. While he doesn't shy away from violence if necessary, his intimidation factor comes mainly from the power Johnson has as manager of Tycho Station (and its very skilled, OPA-affiliated construction and repair crews) rather than any overt threats of violence. Don't cooperate with him or his faction and something might "accidentally" happen to your ship in transit (as the Mormons learned when they tried to pressure him to remove OPA workers from the Nauvoo).
- Well-Intentioned Extremist: His ultimate goal is justice for the Belters and strives for peace between Earth, Mars, and the Belt. Doesn't mean he won't throw an OPA agent out the airlock when they interfere with that peace. Or capturing nukes and a protomolecule sample to use as deterrents.
An OPA mechanic responsible for overhauling the Roci
- Composite Character: She has the same name as the (male) character from the books, but some of the personality of Sam Rosenberg. Like the Sakai of the books, she is also a Free Navy saboteur.
- Gender Flip: Is a man in the novels.
- Hoist by Her Own Petard: She would have been killed by her own sabotage of the Roci's drive core, if Naomi hadn't been able to send a message warning Holden in time.
- The Mole: She's a Free Navy spy on a mission to assassinate Fred Johnson and steal his protomolecule sample.
- Oh, Crap!: She retains a mocking demeanor when Holden interrogates her, up until he mentions he's taking the Roci out to pursue her allies, which would cause the Roci's sabotaged drive core to destroy the entirety of Tycho Station. Sakai almost warns Holden about the sabotage, but then decides to die for the cause and remains silent.
- Smug Snake: Despite having killed Fred Johnson, she's not quite as competent as she thinks she is. She gets caught and spends her time locked up gloating about her accomplishments, unaware that she's been used and tossed away by Marco Inaros.
- Wrench Wench: She's a young woman who is nearly always seen tinkering with machinery.
The Free Navy
The leader of a small OPA faction who strongly opposes peace with the inner worlds. He is also Naomi's former lover and the father of her son Filip.
- Abusive Parents: He's emotionally abusive towards Filip. Aside from raising him to be a child soldier, Marco also constantly mocks Filip's unwillingness to admit that he wants to reconcile with his mother, and any chance Filip is given to be his own man in any way, Marco instantly shuts down.
- Arch-Enemy: He tends to collect enemies-for-life like stamps. There's Naomi, who hates him for tricking her into mass murder and stealing her son, and then there's Drummer, who hates him because he had two of her closest friends and mentors murdered. That's to say nothing of Earth itself, due to his genocidal actions.
- Ax-Crazy: He usually tends to hide it under a veil of calm and charisma, but the man is ultimately a narcissistic psychopath who would kill billions just to feed his own ego. And damaging that ego is a really good way to make him personally murderous, as showcased with Serge.
- Berserk Button: Threatening his authority or more importantly his ego is a very good way to get on his bad side, permanently.
- Big Bad: Of the non-Ilus plot arcs in Season 4, and of Season 5 and the upcoming Season 6 as a whole.
- Char Clone: It's virtually impossible for anyone familiar with Gundam to not be reminded of Mobile Suit Gundam: Char's Counterattack while watching any scene featuring him.
- The Chessmaster: He successfully arranges a simultaneously implemented, three-pronged attack against all major political factions in the Sol system: a genocidal asteroid attack on Earth, a simultaneous decapitation bombing against the Martian Parliament, and the assassination of his ideological and political rival within the OPA, Fred Johnson. He'd have succeeded in destroying Tycho station itself had it not been for Naomi.
- Cool Ship: His flagship is the Pella, a Martian light cruiser that's been outfitted with stolen stealth tech. Named after the capital of ancient Macedonia, birthplace of Alexander the Great.
- Colony Drop: Masterminds a devastating cloaked-asteroid attack against Earth, killing millions. Three asteroids manage to make planetfall: near Dakar (North Africa), Pennsylvania (North American Atlantic coast), and South Asia. Far more damage is done by the resulting tsunamis, given that global warming meant most coastal cities needed seawalls to prevent flooding. Earth was already just teetering on the edge of functionality due to climate change and overpopulation, meaning that the societal disruption caused by the attacks was orders of magnitude worse than the asteroid drops themselves.
- Combat Pragmatist: Even with stolen Martian technology, his rag-tag fleet is no match for the military might of Earth and Mars, so he has no problem fighting dirty. In the season 5 finale, he uses a stealthed meteoroid barrage to severely weaken the fleet guarding the Sol Ring, which Avasarala had previously estimated would easily squash his fleet even if they had triple the numbers.
- Evil Is Sexy: Egotistical, narcissistic, and ruthless, while also being handsome, charismatic, and owning quite a lovely voice. It's little wonder Naomi was so taken in by him, and that he can so easily manipulate those around him.
- Fashion-Victim Villain: Shares his aforementioned counterparts' compulsion to dress like a Pontiac Firebird.
- Faux Affably Evil: Marco is handsome, affable and so charismatic that he has no problem whatsoever gaining followers who are perfectly willing to kill or die for him (including people who should know better), but the cold hard reality is that he's an unhinged sociopath who views people as tools to be used, then discarded.
- Final Solution: After he acquires the last protomolecule sample, he threatens to exterminate both Earth and Mars if they try to retaliate against his attacks. Ultimately subverted, as Marco never intended to use the protomolecule against the inner planets; it (along with Laconia) was actually payment to Admiral Duarte in exchange for MCRN warships and stealth technology.
- From Nobody to Nightmare: While Inaros is infamous among the OPA for his radical views before the Ring opened, his actions were mostly restricted to small-time piracy and neither Mars nor Earth thought much of him. After the Ring opens, he preys on Inner colony ships, gaining their attention. After he uses Martian stealth tech to plot an asteroid strike against Earth, he becomes perhaps the most famous terrorist in human history.
- Guyliner: To go along with his Fashion-Victim Villain sense of style, Marco wears enough eyeliner to go toe-to-toe with Drummer. It only serves to accentuate his craziness any time his eyes widen.
- Greater-Scope Villain: Of Season 4. Outside of Ilus, every subplot ends up connecting back to Marco and his scheme, which is only revealed in the finale as a setup for Season 5, where he steps in full-time as the Big Bad. The Season 5 finale reveals him to actually be only a Disc-One Final Boss, with Admiral Duarte being his enabler. Marco at best is only The Dragon, and completely disposable to Laconia.
- Hypocrite: Marco despises Inners, seeing them as the worst of humanity... because he believes that Inners are hopelessly hateful and prejudiced.
- It's All About Me: His revolution is an extension of his own ego. He only cares that people know he is the man behind it all, and tells Filip he will only let him have the spotlight as his heir, not as his own man.
- Jerkass Has a Point: This is arguably his most dangerous trait, and what makes it so easy for other factions to join up in his cause. Technically speaking, nothing in his message of establishment of the Free Navy was a lie. The entire foundation of his armada was based on Earth and Mars treating Belters as less than human for centuries, and for all his numerous war crimes, far more crimes against humanity have been committed towards his people — in his own lifetime alone, no less.
- Manipulative Bastard: He is very skilled with words, even managing to convince representatives from all of the OPA's major factions to let him go when they were seconds away from tossing him out the airlock.
- Narcissist: See It's All About Me. Marco sees even those close to him only as an extension of himself, and will lash out viciously if their desires don't correspond with his.Marco: Belters everywhere are chanting my name. Not yours. You are nothing without me.
- Not-So-Well-Intentioned Extremist: While Marco certainly claims to want what's best for the Belt and stand against the oppression of the Inners, he will not hesitate to silence, manipulate, and murder fellow Belters if their goals and ideas do not align with his. Ultimately, Marco is a dangerous and narcissistic psychopath more concerned with his own power than helping anyone else.
- Pragmatic Villainy: Although he harbors a great deal of hatred for the "inners" he's been more than willing to work with disaffected members of the Martian military in order to acquire advanced Martian technology on the black market.
- Renegade Splinter Faction: Although the OPA is more of a loose coalition, so calling any of them "splinter" might be inaccurate, Marco's "Free Navy" is so ruthless compared to the rest of the OPA that it counts. After the Free Navy's sneak attack against Earth, Mars, and Fred Johnson's OPA, they promptly bully all the other OPA factions into falling in line under their control - even the ones that loathe Marco - through sheer brutality and a calculated program of keeping political hostages.
- Sugar-and-Ice Personality: In a very dark way. He switches from warm and affectionate to cold, cruel and critical at the drop of a hat in order to manipulate his family and subordinates. He does this especially often with Naomi (who has learned to see through it) and with Filip (who clearly lives to be on his father's good side and dreads his dark side).
- Unwitting Pawn: He freely works with Martian defectors, trading them the protomolecule and one of the worlds beyond the Ring in exchange for Martian military technology that will give his Free Navy the firepower they need to stand against the Inners. Little does he realize that his benefactor, Winston Duarte and his defectors, are using the protomolecule to reactivate alien structures orbiting Laconia, giving them access to tech that makes all sides look like gnats in comparison.
- Vehicular Turnabout: He makes extensive use of stolen MCRN warships in his Free Navy, including his flagship, the light cruiser Pella.
- Visionary Villain: He sees the current weakness of Earth and Mars as the perfect opportunity to turn the Belt into the new dominant power.
The son of Naomi and Marco, now a soldier in his father's faction.
- I Just Want to Be Loved: Deep down, this is what Filip truly wants, and it drives Marco insane. All Filip really desires is to have his family be whole again, to be appreciated and loved by his father, and to reconcile with his mother. All Marco wants is for everyone to chant his name.
- Love Cannot Overcome: Despite her best efforts, Naomi isn't able to reach his better nature in the face of Marco's manipulations, and Filip ultimately turns his back on her.
- Nice Job Fixing It, Villain!: His spur-of-the-moment decision to abduct Naomi and bring her aboard the Pella results in her managing to send a warning to Holden about the Roci's sabotaged reactor, saving the ship and Tycho Station from blowing themselves up.
- A Real Man Is a Killer: Marco seems to have really nailed this in his head. Much to is mother's horror, Filip is a stone-cold murderer who won't hesitate to kill someone at the drop of a hat.
- Tyke Bomb: Marco raised him to be a soldier for his revolution.
- Unwitting Pawn: Technically, everyone is a pawn of Marco's in his game, but he seems to take an almost special pleasure in manipulating Filip, especially against Naomi. The poor kid can only go along with it since worshipping his father is literally the only thing he was raised on.
- "Well Done, Son!" Guy: He craves Marco's approval and Marco knows how to exploit this to make Filip do whatever he wants.
An older member of the Inaros faction. He and Naomi were once close friends.
- Affably Evil: Cyn is a genial, cheerful bear of a man who misses Naomi fiercely and cares deeply about his fellow crew members and the Belt in general. He's also a leading member of a violent terrorist organization and is personally responsible for taking part in a genocidal attack on a scale unlike anything seen before in human history, for which he has zero regrets.
- The Atoner: Part of the reason why Cyn is so disgusted with Marco's mistreatment of Naomi is that he helped Marco hide Filip from Naomi when she left the OPA.
- Boisterous Bruiser: He's a very large and cheerful man who knows how to use his brute strength to aid Marco.
- Everyone Has Standards: He's outraged when Marco orders him and Filip to space Naomi for betraying them, standing up to Marco and telling him to do it himself unless he thinks he has what it takes to make Cyn do it. After Filip likewise stands up for Naomi, Marco backs off.
- No Good Deed Goes Unpunished: He tries to stop Naomi from throwing herself out an airlock after Marco turns Filip against her. He realizes too late that Naomi is actually trying to jump across the vacuum to reach the Chetzemoka rather than kill herself. This ends with Cyn dying when Naomi opens the airlock while he's trying to talk to her.
- Well-Intentioned Extremist: He views Marco's terrorist actions as an unfortunate necessity required to free the Belters. Unlike Marco, Cyn understands how horrific the Free Navy's actions are, but he still believes they are the only way.
- Won't Do Your Dirty Work: One of the few times he ever truly stands up to Marco or refuses to carry out an order is when Marco orders him and Filip to kill Naomi. Cyn becomes so enraged he not only defies Marco, he also just barely stops short of getting in a fight with Marco then and there.Marco: You will do what I tell you to!
Cyn: DO IT YOURSELF! If it has to be done you can do it. I'm not going to let Filip be part of this. Unless you think you can make me, hmm? Maybe I finally got old enough, eh?
A henchman in the Inaros faction.
- Bullying a Dragon: She seems to get a rise out of antagonising Drummer after she is assigned to the latter's faction, just to see that "famous temper" of hers. Naturally, it bites her in the ass in Nemesis Games.
- Death by Falling Over: During Drummer's rebellion, Karal tries to shoot her, but is struck from behind by Michio, hitting her head on a railing and dying instantly.
- Death Glare: Her default expression.
- Dies Wide Open: After her aforementioned death.
- Helmets Are Hardly Heroic: She removes her helmet's visor during Drummer's mutiny... and is killed seconds later when she hits her head on a railing.
- Jerkass: She's a bitter, humorless asshole to just about everyone, but especially Naomi, whom she considers a Category Traitor for leaving the OPA.
- The Political Officer: Her function aboard the Tynan, after transfering there as part of a crew exchange with the Free Navy, is to relay Marco's orders to Drummer and make sure she carries them out.
- Undying Loyalty: To Marco, whom she idolizes.
Drummer's Pirate Fleet
Formerly Tycho Station's Assistant Director of Operations and Fred Johnson's second-in-command. Following the Time Skip mid-Season Three, Drummer had been made commanding officer of the OPA Behemoth, formerly the LDSS Nauvoo. As of Season Five, Drummer is the captain of the Dewalt, and together with its sister ship Mowteng and later the Tynan, she makes ends meet as a powerful pirate.
- Action Girl: She proves herself to be very formidable, and wastes no time defending Fred from a rogue Belter assault on Tycho's control platform.
- All Love Is Unrequited: Grows close to Naomi over the course of the series. Before attempting her (ultimately aborted) Heroic Sacrifice, she asks Holden to pass on a final message to Naomi that basically screams "Tell her I loved her."
- And in Season Five, Drummer outright states that Naomi is "a woman [she] loved."
- Authority Equals Asskicking: There's a very good reason Fred made her head of Tycho security. There's a good reason why she's the captain of the Behemoth, too.
- Big Damn Heroes: Subverted. Drummer turns on Inaros at precisely the moment Holden and the Rocinante are heading into his trap despite being low on ammunition and fuel. Her actions save the Rocinante but unfortunately her faction (and her family) splinters as a result, including an attempted mutiny aboard her own ship.
- Broken Pedestal: Drummer adored Anderson Dawes and even had a relationship with him, but they eventually fell out and she joined up with Fred Johnson. She also viewed Fred as a fighter for the Belt, and while she never really loses trust in him, she does come to see him as the fallible human he is. She gradually comes to regard him as having "delusions of grandeur" to an extent after a few too many questionable or amoral decisions on his part, but she does still largely trust him and consider him her boss.
- The Captain: She's made captain of the Behemoth once it's been retrofitted. She becomes captain of the Dewalt after she leaves the OPA.
- Chewing the Scenery: Her Rousing Speech in "Intransigence" includes no small amount of shouting and fist-pumping.
- Composite Character: She takes on a lot of Sam Rosenberg's role from the books. In Season 3, she also takes on most of Bull's role, since he was Adapted Out. In Season 5, she is a pirate captain who is in a polyamorous relationship with her crew, much like Michio Pa from the books (who is present in the show as one of Drummer's crew).
- Contralto of Danger: She's a tough-as-nails Action Girl with a very deep and assertive voice.
- The Cynic: As evidenced by her character quote, Drummer has a pretty dark outlook on life in general. Doesn't stop her from trying to improve the lot of her people any way she can, though.
- The Determinator: Nothing will keep this woman down for long; not a gutshot, not losing control of her legs due to a spinal injury - nothing.
- Disproportionate Retribution: Her preferred method of dealing with traitors and troublemakers is to space them while making the rest of the crew watch. This becomes a point of conflict between herself and Ashford, who believes the Belt needs to set a better example than that.
- The Dog Bites Back: After spending much of Season 5 following Marcos Inaros' every order and essentially surrendering control of her fleet to the Free Navy, Drummer finally pushes back when he orders her to intercept and destroy the Rocinante before it could rescue Naomi from the Chetzemoka. Unfortunately, her mutiny leads to Serge's death and the splintering of her fleet.
- Enemy Mine: While she despises Marco, Drummer joins the Free Navy because she sees a war between the Inners and the Belt as inevitable after Marco's attacks and Drummer will not side against her people in that war.
- Excessive Evil Eyeshadow: She has some pretty dark eyeshadow to underscore her morally dubious side.
- Fake Guest Star: Even though Cara Gee is still billed as a guest star, Drummer is a major character throughout the second half of Season 3. She receives a Promotion to Opening Titles in Season 4.
- Flipping the Bird: Played for Laughs when she gives Fred Johnson the finger Belter-style after he jokingly ordered her to get him coffee. She's smirking the whole time, as is he, so it merely serves to reinforce how close they are.
- Handicapped Badass: She gets paralyzed from the waist down in an accident aboard the Behemoth in Season 3. Her reaction? Fashion herself a set of crude robotic leg prosthetics from spare parts on her sickbed and continue being badass for the rest of the season.
- Heroic Sacrifice:
- In "Fallen World", Drummer and Ashford are pinned by a survey vehicle, Drummer impaled by it against a railing while Ashford is pinned to it by a broken crane arm. Unable to deactivate the mag clamps holding the vehicle, Drummer eventually decides to force it to drive forward, crushing her so the significantly less injured Ashford will be free to move and tend to the rest of the crew. She survives, but is severely injured.
- In "Abaddon's Gate", Drummer, Holden, and Naomi are running from a power armor-equipped Diogo in an elevator shaft. Drummer's injuries slow her down, so she decides to stay behind and use grenades to take out Diogo in a suicide attack, like Bull did in the books. Fortunately, Naomi manages to drop the elevator on Diogo instead before Drummer can go through with it.
- Hidden Depths: Despite being one of the toughest characters in the series, is capable of waxing poetic and philosophical:Drummer (after the OPA has converted the Mormon generation ship Nauvoo into its flagship): "We stole a church...bolted some guns to it and called it a warship. To protect the Belt? No, because we don't want to be left out of this party!"
- The Lancer: She ably assists Johnson in running Tycho as well as in handling the station's OPA operations. She also serves as an encouraging voice for when Johnson hesitates at sending people into battle. "The Seventh Man" seem to hint that her loyalty towards Johnson isn't unwavering, but she still sides with him over Dawes.
- Made of Iron: After the Black Sky's abortive attack on Tycho Station's command center leaves her bleeding out on the floor from a shot to the gut, she goes from almost dead to furiously walking it off with nothing but the most basic treatment of her wound. Granted, the 'verse's medical technology is much more advanced than ours, but that's still a damn badass thing to do.
- Mysterious Past: At some point, she used to work for Dawes instead of Fred. He's still rather cozy around her, but it's obvious from her disinterest that something happened between the two.
- Nice Job Breaking It, Hero!: When the OPA has Marco Inaros captured and dead to rights, five different factions — with Drummer and Ashford representing two of them — vote on whether to accept Inaros's deal that he offers them or kill him. Drummer casts the deciding vote to spare him and take the deal, and later justifies it to Ashford by noting that, if they'd overruled the other two factions who wanted to take the deal and killed Inaros instead, it likely would have led to civil war amongst the various factions of Belters. While this is solid reasoning, them not killing Marco when they have the chance eventually results in Marco killing Ashford by the end of the season. It allows paves the way for him to become the Big Bad of Season 5, plunging the entire solar system into conflict as he launches preemptive strikes on Earth, Mars, and Tycho Station, killing millions of people. In the end, this also negates her hopes of avoiding civil war by splitting the OPA between those who support Inaros' Free Navy and those who do not.
- Nightmare Fetishist: When the Rocinante returns to Tycho Station after their battle with the stealth ship at Thoth Station, Drummer gives the crew a damage assessment. While Holden and Co. are suitably disturbed to learn that one shot missed the Roci's reactor core by mere inches, Drummer is positively bubbling over with glee at the thought of how close the others came to being melted in an instant.
- Noble Demon: As a pirate, she tries to avoid unnecessary casualties and prefers to target people who are breaking the peace of the Belt.
- Number Two: To Fred Johnson, to whom she's fiercely loyal.
- OOC Is Serious Business: When she slugs Fred for going behind the OPA's back in Season 4.
- Pirate: In Season 5, after leaving the OPA, she becomes a pirate who preys on fellow pirates who cause too much trouble, as well as their victims.
- Polyamory: She and her pirate crew are all married to one another.
- Reasonable Authority Figure: Not at firstsee her Disproportionate Retribution attempt abovebut Drummer ultimately becomes one thanks to Naomi and Ashford's combined influence. Somewhat ironically, she replaces Ashford as the reasonable authority figure aboard the Behemoth after he turns into a Well-Intentioned Extremist.
- Tattooed Crook: Tattoos are an integral part of Belter culture, so Drummer effectively becomes this following her career into piracy. Downplayed somewhat as she targets other pirates that are causing trouble for the Belt, but she still muscles in on their territory and takes ten per cent of what they steal.Captain Molina: (after Drummer 'rescued' her ship from pirates, only to let them steal their cargo anyway, minus 10%) How do you fucking sleep at night?
- Undying Loyalty: Even after getting shot in the stomach she refuses to betray Fred's trust. However, Fred leaking information to the UN without the OPA's permission irrevocably damages their relationship.
A member of Drummer's pirate faction and polyamorous family, and the executive officer aboard (and later Captain of) the Dewalt.
- Dark and Troubled Past: Implied when she tells a mourning Drummer that she felt the same "emptiness" Drummer was feeling after they found the stripped Tynan, suggesting that Oksana has also lost people she cared about.
- The Lancer: Her role among Drummer's faction is as the Dewalt's executive officer, although when Drummer assumes command of the Tynan, Oksana is then given command of the Dewalt in her place.
- Les Collaborateurs: After Drummer's faction is forced to join the Free Navy, Oksana spends much of her time obeying Karal's (and by extension Marco's) orders and keeping Drummer from letting her temper get the better of her (and doing something rash like put a bullet in Karal). It is implied however that she's only doing it to keep Drummer and the rest of her family safe, but Drummer isn't having any of it when she finally confronts her about it in Winnapesaukee.Drummer: Now [Marco's] got you keeping secrets from me. [...] Don't treat me like a child! I've earned the truth. Marco killed Klaes Ashford, and I sat on my hands and played nice with him so you would be safe. He killed a woman I loved, and now he wants me and mine to murder her friends and I go along again. How much shit do I have to eat before you treat me with some respect?!
- Lethal Chef: Implied when Josep jokes that they didn't need any hot sauce with dinner because she was the one who cooked.
- Screw This, I'm Outta Here!: Decides to break up with Drummer and leave with Bertold on the Mowteng after Drummer's mutiny causes the death of Serge.
- Statuesque Stunner: Oksana's actress, Sandrine Holt, stands at five feet and ten inches.
- Voice of Reason: Tries to be this when convincing Drummer that revenge for Ashford isn't enough of a reason to go after Marco Inaros.Oksana: If you had gone with Ashford, you would have suffered the same fate.Drummer: (holding the bottle of liquor she was going to drink with Ashford after he hunted down Inaros, trying not to cry) Or maybe this bottle would be empty.
A member of Drummer's pirate faction and polyamorous family, and a crewmember aboard the Dewalt.
- An Offer You Can't Refuse: Advocates joining the Free Navy because he knows that Inaros' offer to join is one of these: Drummer and her faction can either Join or Die.
- Anti-Mutiny: When Drummer refuses to attack the Rocinante and hold Karal at gunpoint, Bertold tackles her from behind, allowing Karal to briefly escape.
- No Sympathy: He isn't particularly bothered by Marco's attack on Earth, which claimed millions of lives, because in his view the Inners had it coming.
- Screw This, I'm Outta Here!: Decides to leave with Oksana on the Mowteng after Drummer's mutiny causes the death of Serge.
One of the pilots aboard the Dewalt and a member of Drummer's pirate faction/polyamorous family.
- I Choose to Stay: After Bertold and Oksana decide to leave Drummer and Dewalt after Drummer's mutiny causes Serge's death, he chooses to stay on Dewalt with Drummer and Michio.
- Screw the Rules, I'm Doing What's Right!: Joins Drummer and Michio in the former's mutiny against Karal after she refuses to destroy the Rocinante. When confronted by Oksana about what he was doing, Josep responds with, "What we should have done before," launching a volley of missiles at the Free Navy heavy frigate attacking the Roci.
A member of Drummer's pirate faction and polyamorous family, and a crewmember aboard the Dewalt.
- Accidental Murder: Judging from her reaction, she didn't mean to actually kill Karal, just subdue her.
- Beware the Nice Ones: Doesn't get as much screen time as some of her other partners but what Michio gets portrays her as The Heart of Drummer's faction. She's also the one who kills Karal in Nemesis Games.
- Decomposite Character: Just like Bull, much of Book!Michio's character has been given to Drummer in the series.
- Demoted to Extra: Has gone from a pirate captain and (relatively) major character in the books to simply one of the Dewalt's crewmen in the series.
- I Choose to Stay: After Bertold and Oksana decide to leave Drummer and Dewalt after Drummer's mutiny causes Serge's death, she chooses to stay on Dewalt with Drummer and Josep. Poor Michio looked fairly heartbroken when they all went their separate ways.
- Screw the Rules, I'm Doing What's Right!: Joins Drummer and Josep in the former's mutiny against Karal after she refuses to destroy the Rocinante. Michio even kills Karal, although the actual death might have been accidental.
One of the pilots aboard the Dewalt until he is transferred aboard the Pella, and a member of Drummer's pirate faction/polyamorous family.
- Ain't Too Proud to Beg: Spends his last moments begging for his life after Marco pushed him into an airlock for Drummer's transgressions, insisting that she and her crew are loyal and would never do what Marco is accusing them of. It didn't work.
- Enemy Mine: Advocates joining the Free Navy because having "the biggest mass murderer" in the solar system watching your back sounds pretty good when the UN eventually retaliates against Belters.
- I Have Your Wife: Voluntarily transfers aboard the Pella as a "tribute" following the absorption of Drummer's faction into the Free Navy. While Marco Inaros prefers to call it an exchange of crewmembers, it's pretty clear that "tribute" means "hostage" in this case. It comes to a tragic end in Nemesis Games, after Drummer refuses to destroy the Rocinante and mutinies, destroying two Free Navy ships in the process.
- Thrown Out the Airlock: Was blown out an airlock by Marco as a message to Drummer following her mutiny.