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Major/Recurring characters

The District Attorney (You)

Appears in: Who Killed Markiplier?

Stylized as "Y/N" (Your Name) in-universe, the viewer takes on the role of the District Attorney. They are an old friend of the Mayor who was invited to Markiplier Manor for a night of poker after having not heard from Markiplier for a long time.

Accidental Murder: The Colonel shoots the District Attorney while trying to pry his gun from their hands, after which they fall to their death. It's immediately Lampshaded by him.
Colonel: It was an accident! I swear!
And I Must Scream: By the end of "Who Killed Markiplier", the District Attorney is trapped in the house by a now evil Damien/Celine (Darkiplier) with no clear way of death or being freed, and no ability to do anything. Forever.
Binge Montage: The District Attorney experiences a pretty wild one in chapter 1. Although hilarious, it's also Harsher in Hindsight with an added note of Fridge Brilliance because it actually foreshadows all the events afterwords. Abe's suspicion, Damien being trapped in "The Upside Down", the Colonel's disregard for life, etc. Word of God elaborates here.
Fate Worse than Death: The District Attorney comes back after their death from being shot by the Colonel, but they're rendered unable to die and is now uselessly trapped in the house without a body.
Featureless Protagonist: The District Attorney’s face and body, sans the appearance of an arm or two, is never seen. At least until the end of Chapter 4, where they finally get to take a look in the mirror. However, their body has shifted to look like Damien's by this time.
Forgotten Fallen Friend: After the end of "Who Killed Markiplier?", the District Attorney is rarely referenced. In DAMIEN, when Damien references people The Actor betrayed, the DA is not among them, and Celine only makes a vague reference to "people she's used". Abe is the exception, as one of the main reasons he's chasing the Colonel in "Wilford 'MOTHERLOVIN'' Warfstache" is to get revenge on the man who murdered his partner.
Grand Theft Me: After volunteering to share their body with Damien and Celine, the District Attorney’s soon kicked out by Damien/Celine (Darkiplier) leaving him in control of your body.
Heartbeat Soundtrack: Played briefly in chapter 4 after dying
Railing Kill: The District Attorney falls over a railing to their death after the Colonel shoots them.
Sickening "Crunch!": One can be heard when the District Attorney lands after falling over a railing in chapter 4. This presumably breaks their neck and is why Darkiplier is always twisting it.
Sleeps with Both Eyes Open: At the end of the Binge Montage in the first episode, the DA collapses onto their bed and falls asleep without ever closing their eyes. Lampshaded by the Detective while they are going over the time of Mark's death.
Detective: I'm gonna ignore the strange fact that you sleep with your eyes open.
The Voiceless: The District Attorney is never heard speaking in the videos. Lampshaded by Celine to make the others suspect them.

Abe the Detective

https://static.tvtropes.org/pmwiki/pub/images/abe_1.png

"A likely story! That I happen to believe completely."

^{Click here to see him in "Wilford MOTHERLOVIN Warfstache"}

Appears in: Who Killed Markiplier?, Wilford 'MOTHERLOVIN'' Warfstache
Portrayed by: Mick Lauer

A private detective whom Markiplier hires on a regular basis. He was hired to vet the party guests, but only to keep up appearances.

Ascended Extra: He's the protagonist of "Wilford 'MOTHERLOVING' Warfstache".
Curse: All his previous partners have died each more tragic than the last. The District Attorney isn’t immune to it, as it foreshadows their death in Chapter 4.
Deuteragonist: He somewhat serves as this, according to Mark IRL. While the District Attorney is the protaonist, they suffer from being The Voiceless due to the first person nature of Who Killed Markiplier?. As such, Abe guides the viewer's experience more than any of the other characters.
Friendly Enemy: Becomes this with Wilford Warfstache in "Wilford 'MOTHERLOVIN'' Warfstache", joyfully dancing with him at a disco.
I Love the Dead: He seems to have a disturbing interest in fingering Mark's dead body.
Inspector Javert: He jumps to wild conclusions in the span of a few seconds when things start going down. This includes accusing the DA of being the prime suspect behind Mark's murder without any evidence to back it up and refuses to call any other authorities to assist with the case.
Leitmotif: The Cabinet by Martin Klem plays when you walk through his lair.
No Name Given: He's only ever referred to as "Detective" with one exception. It's easy to miss, but Markiplier greets him as "Abe!" in Little Buddy’s surveillance footage in chapter 1. Word of God and bonus material reveals his full name is Abe Lincoln.
- Meaningful Name: 'Abe' is a form of 'Abraham', meaning 'father of many', probably referring to all his past partners.
Not Quite Dead: He evidently survived being shot by the Colonel, presumably due to the Manor preventing permanent death of its residents. At the end of the video for Chapter 4, we hear his message to the Colonel as he calls the authorities.
Detective: Colonel... if you can hear this... you better run.
The Only One: Feels that calling the authorities in is unnecessary, as he is on the case.

Sanity Slippage: Begins to go through one in Wilford 'MOTHERLOVIN'' Warfstache, as his obsession in catching the titular character has caused him to forget why he was even chasing the man in the first place, not helped by Wilford's Reality Warper abilities. He then loses himself in Wilford's madness completely, eagerly giving up on apprehending his hated enemy in favor of dancing with him instead.
String Theory: Has a mess of a room in the Manor filled with evidence about the case, and about all the guests in the house.
Surrounded by Idiots: He's quick to hang a lampshade on the eccentric behaviors of the other guests. The only person he consistently treats with respect is the Mayor, who's by far the most "normal" of the group.

Markiplier the Actor

Appears in: Who Killed Markiplier?, DAMIEN

Portrayed by: Mark Fischbach

https://static.tvtropes.org/pmwiki/pub/images/mark_20.png

"Life is for the living!"

^{Click here to see him in "DAMIEN"}

"My name is Markiplier. Thank you for joining me on this auspicious evening. So good to be surrounded by such close and trusted friends!"

No, not the YouTuber. In this universe, Markiplier is an actor that disappeared for a time before inviting the gang for poker night in celebration of something.

Ambiguous Situation: While it is certain that Actor!Mark and YouTuber!Mark are both different entities, there is also a chance that YouTuber!Mark may be Actor!Mark, or that they are related in some fashion.
Asshole Victim: According to the Colonel, who sees him as a selfish jerk who ultimately causes his own death. While the Colonel’s right to some extent, he failed to understand the depressive state Markiplier was in after their falling out, which was taken advantage of by the dark forces in the house to manipulate him into evil.
Bloodless Carnage: Despite the numerous fatal injuries described by the Detective, his body has no visible wounds on it. This is because the wounds are all old and/or healed, and the only wound that should be present on Mark's body is the gunshot wound to the head from Russian Roulette.
Can't Hold His Liquor: According to the Colonel, who believed that he died as a result of slipping from the stairs in a drunken stupor. However, this is averted in the party scene itself, since Markiplier is the only one who did not drink any alcohol.
Chalk Outline: Besides Chapter 1 and the end of Chapter 4, the only appearance Markiplier makes is as a taped outline on the ground since the body disappears at the end of Episode 1.
Classy Cravat: Wears one along with his robe to indicate his wealth and high status as the host of the party.
Disproportionate Retribution: His wife ran away with one of his best friends. So he makes an elaborate plan to emotionally manipulate said friend into murder and steal his body. Somewhat justified trope since he's been infected by an evil house entity.
Evil Former Friend: He used to be close childhood friends with Damien and William before a falling out with the latter caused their relationship to be strained. He later forms a scheme to trick the Colonel into murder and to steal Damien's body.
Former Friends Photo: Shares one with Damien and the Colonel. A second photo with Celine added notes her role in the timeline and progression of their relationships.
Grand Theft Me: Since his own body was being worn down from subjecting it to multiple suicides and the dark forces’ subsequent resurrections, he chooses to take over Damien's body instead.
Happily Married: Mark was much happier when he was with Celine, but considering Celine ran off with Colonel William, it's hard to say if she felt the same way.
Karma Houdini: He tricked the Colonel into killing him, stole Damien's body and forced everyone through emotional turmoil. But he gets off without any retribution.
I Cannot Self-Terminate: Has tried numeral times to kill himself, yet he was resurrected again and again.
My Death Is Just the Beginning: Markiplier planned his apparent death so that he could frame the Colonel for murder, take over Damien’s body, and leave everybody else in an angry and confused state. This proved to be successful.
Not Good with Rejection: Doesn't take Celine running away with the Colonel very well.
Plot-Triggering Death: Literally stated in the title. Markiplier's death is what sets off the investigations and events of the videos.
Resurrective Immortality: Implied by Word of God to be the case thanks to the Manor, at least in the years leading up to the events of the series. After that, Markiplier and the Manor had other options.
Russian Roulette: Played a game with the Colonel, causing his own (planned) death.
Spurned into Suicide: The reason for his initial death (and subsequent resurrection and interest in the Manor's power) is implied to be a suicide after Celine runs away with the Colonel.
Thanatos Gambit: Markiplier gathered his past friends and associates together under the guise of a poker party to cover up the manipulation of his own death, which occurred by getting the Colonel to shoot him during Russian Roulette so that the Entity in his manor could then revive him and allow him to perform a Grand Theft Me on the Colonel while also forcing Damien through a Trauma Conga Line.
There Is No Kill Like Overkill: Was stabbed 37 times, poisoned, beaten, strangled, drowned, and shot, in that order. Subverted as it is revealed in a stream that rather than these injuries being the cause of his death, Markiplier committed suicide multiple times in many ways. He was resurrected by the house each time.
Mark: [The Detective] said "In that order." Not all at the same time. Not even all at the same day. That's just happened to him.
The Teetotaler: Markiplier never drinks. This becomes important when Markiplier (the real one) revealed he wanted to remain mentally aware enough to make sure everyone was intoxicated during their poker party and manipulate the drunken Colonel into shooting him during Russian Roulette

Colonel William J. Barnum

See here (contains spoilers)

Damien The Mayor

Appears in: Who Killed Markiplier?, DAMIEN

Portrayed by: Mark Fischbach

https://static.tvtropes.org/pmwiki/pub/images/damien_1.png

"Life is ours to choose!"

^{Click here to see him in "DAMIEN".}

The mayor and a childhood friend of Markiplier and Col. William, and an old friend of the District Attorney.

Became Their Own Antithesis: Comes with the process of becoming Darkiplier. Throughout much of the series, Damien is constantly trying to help the DA and his other friends by any means necessary, putting their needs above their own. By the end of the series, Damien (or what's left of him) coldly ejects his closest friend out of their own body to take it for his own villainous goals, leaving them trapped in the house forever.
Corrupt Politician: Downplayed. Although Damien himself is a caring and concerned man who wants to help his close friends by any means neccessary, a few news articles in Abe's Room Full of Crazy reveal that he and Markiplier were "in cahoots," specifically that Damien was in some legal trouble. There is also an arrest record on him, with only one entry that is scribbled out.
Face–Monster Turn: The end of the series has him and his sister merged into a malevolent Humanoid Abomination hellbent on getting revenge on the man who wronged them.
Former Friends Photo: Shares one with Markiplier and the Colonel to further show their past relationship. A second photo with Celine added notes her role in the timeline and progression of their relationships.
Leitmotif: 'Creepy Regrets 4' plays when he and Celine meet Y/N in the Upside Down.
Nice Guy: He cares deeply about his friends. When the District Attorney gets knocked down by the Detective during the party, he's the only one who is worried about them, and he engages them in hearty conversation on the next day. He's also the only one to genuinely care about Markiplier's death, and he believes that his friends, Colonel and the District Attorney, are innocent. When everyone is going out to find the groundskeeper, he stays inside with Celine to make sure she will be safe.
Meaningful Name: 'Damien' means 'to tame, to subdue'.
Red Oni, Blue Oni: The blue to Celine's red, since he tries to balance out her temper and impulsiveness with reason and calmness. Even his dead spirit appears blue.
Grand Theft Me: Has his body taken over by Markiplier's soul. He also hijacks the District Attorney’s body at the end of Chapter 4, though at that point, the Damien you know is gone, and only Darkiplier remains who is a fusion of the worst sides of Damien and Celine's souls.
Not Too Dead to Save the Day: His spirit appears with Celine’s spirit in the “Upside Down” to help out the District Attorney and return them to the real world.
Sharp-Dressed Man: Is always seen in a black suit.
Queer Flowers: White carnations represent purity, and Damien is seen wearing a white carnation on his lapel. (It's often speculated that Damien is queer, considering he is a confirmed bachelor in 1928.)

Celine The Seer

Appears in: Who Killed Markiplier?, DAMIEN

Portrayed by: Pamela Horton

https://static.tvtropes.org/pmwiki/pub/images/celine_2.png

You've been awfully quiet through this whole thing...

Click ^here to see her in "DAMIEN".

The ex-wife of Markiplier who makes a sudden appearance at the end of Chapter 2.

Bitch in Sheep's Clothing: Briefly turns everyone, except William and Damien, against the District Attorney during Chapter 3.
Demonic Possession: At the end of Chapter 3. Markiplier Manor hijacks her body and traps her and Damien's souls into Markiplier's body and then traps them again in the Dark Dimension.
Face–Monster Turn: What remains of Celine's soul is twisted and contorted into Darkiplier at the end of the series, making up his angry, emotional half.
Fortune Teller: Her profession. She does a seance with the District Attorney to that causes the latter to see past and future events that foreshadow the rest of the story.
Gender Bender: Kind of. Celine is unambiguously a woman for much of the series, but ends up having her soul merged into Darkiplier, a being that so far has only appeared as male.
Grand Theft Me: She has her body taken over by The Dark Entity/Markiplier Manor. She also hijacks the District Attorney’s body at the end of Chapter 4, though at that point, the Celine you know is gone, and only Darkiplier remains who is a fusion of the worst sides of Damien and Celine's souls.
Hair-Trigger Temper: She certainly has one, as shown by the scene when the District Attorney draws the groundskeeper they saw in their vision, which she sees as insignificant, and she begins to shout at them to try again, slamming the table in anger.
Lady of Black Magic
Leitmotif: 'Creepy Regrets 4' plays when she and Damien meet Y/N in the Upside Down.
Love Triangle: From what is seen in the pictures on Markiplier's bedroom table, she is part of one with Markiplier and the Colonel, with the latter seemingly unhappy with her presence. She was married to Markiplier, but fell out of love with him and in love with the Colonel, whom she ran away with.
Manipulative Bastard: She can easily command a room and direct conversations. She also seems to easily earn the trust of everyone in the house. Word of God hints that she does this in an unnatural way.
Meaningful Name: 'Celine' derives from 'Caelum' (sky or heaven). Before the exact spelling of her name was revealed, she was also often called Selene.
Plot-Inciting Infidelity: A major factor in starting off the plot is the fact that, years ago, Celine cheated on her husband, Markiplier, with the Colonel. Markiplier did not like that.
Red Is Violent: Celine's spirit is red, and she makes up the angrier, more manipulative part of Darkiplier.
Red Oni, Blue Oni: The red to Damien's blue, due to her temper (she gets angry whenever things don’t go according to her plan) and impulsiveness (she doesn't end the seance properly). Even her dead spirit appears red.
Slasher Smile: When she becomes possessed by the manor in Episode 3, she briefly curls her mouth into a murderous smile before the DA and George the Groundskeeper lock her in her room.
Spell My Name With An S: Before her name was seen written down in the Detective's room, her name varied quite a lot between Selene, Seline or Celene.
The Smurfette Principle: Discounting the District Attorney, whose gender depends on that of the viewer’s, Celine is the only female character in “Who Killed Markiplier” series.
Unwitting Instigator of Doom: Shares this with the Colonel. Everything that happened in Who Killed Markiplier? was a result of Mark trying to get revenge for her cheating on him with the Colonel.

Single appearance characters

Benjamin The Butler

Appears in: Who Killed Markiplier?, Interview #69: Benjamin Butler

Portrayed by: Tyler Scheid

https://static.tvtropes.org/pmwiki/pub/images/benjamin_3.png

I've prepared for you a seltzer with cocaine. Best thing for the morning after, if you ask me.

A butler working for Markiplier. He was interviewed after the events of Who Killed Markiplier? and answered many questions the fans had here.

A Day in the Limelight: He had his own twitch interview, as seen here.
Arbitrary Skepticism: Believes fortune telling is a sham despite him clearly experiencing the supernatural in Who Killed Markiplier?.
Ascended Extra: Wasn't too important story-wise in Who Killed Markiplier?, but is the main focus in his interview livestream.
Berserk Button: Don't accuse him of killing Mark.
Beware the Nice Ones: He's the nicest character next to Damien, but it's still implied that he's a drug dealer and has a grudge with the Chef.
Drugs Are Good: He believes cocaine is great for dealing with hangovers and colds, as well as other ailments.
Foil: To Chef. Benjamin is a Nice Guy, but can be a bit of an asshole at times, and he's been working for Mark for a relatively short time, evidenced by Mark telling Abe that "he's a new guy." Chef on the other hand is a Jerk with a Heart of Gold who has been working for Mark for 25 years
Hideous Hangover Cure: He gives one to the DA in the form of seltzer with cocaine in the morning after the party.
High-Class Gloves: Wears a pair of these.
Nice Guy: Probably the second-nicest character in the game next to Damien (at least until the latter's Face–Monster Turn), trying to maintain order within the manor, helping the DA recover from their hangover from the night before, and generally just being a courteous helping hand during the investigation.
No Name Given: Is only referred to as "the butler." Word of God and bonus material reveals his name is Benjamin.
- Meaningful Name: 'Benjamin' means 'son of my right hand' as in that he was Mark's right hand man.
The Butler Did It: Averted, the Colonel killed Mark, but everybody in-universe believes he did.
The Jeeves: He’s utterly devoted to his job even after Markiplier’s death - reacting with shock when he finds a broken wine bottle in the cellar, being worried about the shattering of a vase, and angrily telling off the Detective and the Colonel for having guns inside the house.
What Happened to the Mouse?: He, alongside George the Groundskeeper and Chef are never mentioned again after deciding to leave Markiplier Manor in the final episode. At the very least, we know that he's able to attend an interview after he leaves.

Chef the Chef

Appears in: Who Killed Markiplier?

Portrayed by: Robert Rexx

https://static.tvtropes.org/pmwiki/pub/images/chef.png

Oh. You're helping that dick with his investigation?

A chef that works for Markiplier.

Berserk Button: Whatever you do, don't enter his kitchen.
Bad Mood as an Excuse: He practically exists in this state.
Evil Chef: He’s initially set up as this, threatening the DA with a ladle the first time they meet and making odd threats towards them. Subverted in the fact that he’s a good guy who’s just a little scary.
Foil: To Benjamin. Chef is a Jerk with a Heart of Gold who has been working for Mark for 25 years. Benjamin on the other hand is a Nice Guy, but can be a bit of an asshole at times, and he's been working for Mark for a relatively short time, evidenced by Mark telling Abe that "he's a new guy."
His Name Really Is "Barkeep": Word of God says the chef's name really is Chef. Amusingly enough, Chef apparently only spent 4 weeks at cooking school, so his name fitting his profession is entirely coincidental.
Jerk with a Heart of Gold: He’s initially hostile towards the District Attorney and can be rather threatening if he wants to be, but he’s nice enough to let George live on the manor grounds and is on good terms with him.
Odd Name Out: He's the only character with the His Name Really Is "Barkeep" trope.
Real Men Cook: It's his job. And he takes it very seriously.
Screw This, I'm Outta Here: He quits his job after the events of Episode 3, deciding that while he has cooked for the "uppity fucks" running the place for 25 years, he's not going to die for them.
This Is for Emphasis, Bitch!: Combined with Screw This, I'm Outta Here down below.
Chef: I've spent 25 years cooking for these uppity fucks. I'm not about die for 'em! I quit! BITCH!
What Happened to the Mouse?: He, alongside George the Groundskeeper and Benjamin the Butler are never mentioned again after deciding to leave Markiplier Manor in the final episode.

George The Groundskeeper

Appears in: Who Killed Markiplier?

Portrayed by: Chris Hampton

https://static.tvtropes.org/pmwiki/pub/images/george_8.png

I ain't! going! near! that! house!

The old groundskeeper of Markiplier Manor.

Crusty Caretaker: Old and grouchy, he only cares about tending to the grounds of the Manor.
Deadpan Snarker: He occasionally engages in this as the Detective starts asking him questions.
Detective: Hey! Buddy! Hands where I can see them!
George: Hey, my hands are where they're supposed to be. Unless, of course, you'd like to dig the hole for yourself.
Five-Second Foreshadowing: He makes it very clear that he won't go inside the manor, unless one particular "manifestation" were to occur. He's barely finished his sentence before the house suddenly lights up with demonic energy, and he immediately starts sprinting towards it.
George: THAT THERE'S THE REASON!
Grumpy Old Man: He doesn't take very kindly to people interrupting him while he works on the house.
Haunted House Historian: He knows about the supernatural presence in the house and thus hasn’t set foot in it for fifteen years. This is the reason why lightning doesn’t strike whenever he mentions the word “murder. The only time he breaks this vow is when he sees the purple lights stemming from Celine’s possession coming from the house.
The Hermit: Chef basically describes him as such. He apparently lived on the manor grounds for fifteen years without anybody noticing.
I Work Alone: He independently updates and repairs the grounds of Markiplier Manor all by himself for over fifteen years.
Loners Are Freaks: Having lived on Markiplier's grounds for over fifteen years with no one to talk to seems to have made George a very jaded old man.
Meaningful Name: In Greek the meaning of the name George is from 'georgos' meaning "tiller of the soil," or "farmer." While not exactly a farmer, it's close enough.
Mysterious Protector: Downplayed. While he doesn't care much for the wellbeing of the previous owners of the manor he keeps to, he certainly cares about the manor itself, as demonstrated when Celine becomes possessed.
Screw This, I'm Outta Here: After locking away a possessed Celine, he leaves the manor and is never mentioned again.
The Thing That Would Not Leave: Played with. While George has been living on Mark's grounds for over fifteen years without permission from him, no one but the Chef is actually aware of his existence until the latter brings him up during the investigation of Mark's death.

The Dark Entity

Markiplier Manor

Appears in: Who Killed Markiplier?

Big Bad: Yes, you read that right, the Manor is the actual villain of "Who Killed Markiplier?" It may also be this trope for Mark's channel as a whole if you consider the possibility that it merged with Damien and Celine to become Darkiplier, who most certainly is the Big Bad of the channel.
Big Fancy House: Fittingly for a manor, it is well-furnished, full of ornamental decorations and has many rooms. It’s also technically the first character to be introduced - receiving a wide panning shot in the prologue that shows its overhead layout.
The Chessmaster: The Dark Entity manipulated Damien, the District Attorney and Celine into merging with it, releasing it from its prison.
The Corrupter: It would corrupt people into amplifying their worse traits while making them think that they are still good. Its primary victims include Markiplier, Celine, and Damien.
Eldritch Location: Whoever dies in the Manor doesn’t stay dead. It also warps the minds of those who set foot in it, causing negative thoughts/feelings to worsen and the victim to subconsciously justify evil actions. This gets worse the longer they stay inside it.
Greater-Scope Villain: Possibly the biggest antagonist on Mark's channel as a whole given that it created Darkiplier through merging itself with Damien and Celine - however this trope may now be a thing of the past and it (he, since he's Dark) may just be the outright Big Bad.
Leitmotif: Who's there 2 by Peter Sandberg, which plays during their fusion with Damien and Celine.
Sapient House: Word of God says the Manor has a mind of its own. This is shown in the series by the house subconsciously guiding you to Abe’s office, which hadn’t been available to the District Attorney as a room before.

Jim & Jim / The Jim Twins

A pair of brothers who inexplicably have the same name (Jim). They star in the "Who Killed Markiplier" shorts.

To learn more about the Jim Twins, go here

Characters / Who Killed Markiplier?

Major/Recurring characters

Single appearance characters

Markiplier Manor

Alternative Title(s): Markiplier Who Killed Markiplier

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Characters / Who Killed Markiplier?

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Major/Recurring characters

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Markiplier Manor

Alternative Title(s): Markiplier Who Killed Markiplier

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