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Twelfth Doctor (Mozenrath)
Thursday2
Other names: The Doctor / Dr. John Smith / The Valeyard / Theta Sigma / Dr. Arthur von Wer / Old One / Dr. Silvester McCoy / Captain Jack Tracy / Dr. Sidney Who / He Whose Name Went Unmentioned / Time's Champion / Dr. James Alistair Bowman, Jr. / The Dark Lord of Time / Doctor 12
Actor: Nicholas Briggs (1991)
Jack Mozenrath (2014-2026)
Phoebe Crutcher (2016)

The Twelth Doctor was the twenty-fifth incarnation of the Time Lord known as Sir Loki the Other and the twelfth incarnation of his rebirthed body that was born to the House of Lungbarrow. Although a eccentric, light-hearted character, the twelfth incarnation's jolly persona was partnered with that of a dark, mysterious and cunning manipulator, which would eventually take the form of the Valeyard.

This incarnation died within the TARDIS Matrix, his death was witnessed by all the other incarnations of the Doctor, a handfull of companions and the Dream Lord. Whilst he was greatly weakend after destroying the Dark Matrix, getting a Weeping Angel in his eye and falling down the Dark Matrix's mainframe tower, what finally killed him was when he came between a Dalek gun fire and his companion, Harley. He died in a dome of regenerative energy surrounded by all thirteen Doctor's TARDISes. However, due to the Dream Lord's intervention, the twelfth Doctor's body was seperated from the Doctor's lifecycle before the regeneration was complete, resulting in the twelfth Doctor's braindead body being used as a vessel for the Valeyard and only his mind remaining within the Thirteenth Doctor.

History

Forshadowing

The Sixth Doctor was informed by the Master that dark entity known as the Valeyard was created between his twelfth and final regeneration. (DW: The Ultimate Foe)

In 1851 London, the Tenth Doctor met a human called Jackson Lake who believed himself to be the Doctor. The Doctor thought Lake might be his next incarnation, or a later one. (DW: The Next Doctor)

When the Teselecta helped fake the Eleventh Doctor's death by being shot by an impossible astronaut, River Song informed Amy Pond and Rory Williams that it was the Doctor's inability to regenerate into his twelfth life that actually killed him. (DW: The Impossible Astronaut)

The Eleventh Doctor would later see his next self in the room that contained his worst fear whilst trapped in a prison ship. This was because the Doctor's greatest fear was becoming the Valeyard. (DW: The God Complex, The Six Doctors)

Post-Regeneration

Samoht si kcaj laer eman. (taps Adam's apple) Trouble with the vocal cords. That's unsettling. Now what was I saying? Ah yes, you said "Doctor?" in a confused manner and I said, or was going to say, "You were expecting someone else?"
— First Words of the Doctor, whilst in the mindset of his sixth, tenth and fourth personas

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Early Adventures with Kitty

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The Holocaust

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Aharon and Friedrich

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Revelations of the Other

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Returning to Alex and George

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The Black Guardian's Vendetta

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The Female Doctor

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The Black Guardian's Revenge

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Susan's Ghost

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Encounter with the Oroborus

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Dana, K9 and the Korven

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The Rise of Abaddon

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Reunion with Ace

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The Doctor vs. the Weeping Angels

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Seperate Adventure with the Eighth Doctor

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Secrets of the Dark Times

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Trusting His Companions

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Old Foes Return Again

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Estelle Smyth

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Early Adventures with Harley

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When Nine Met Twelve

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Time Messed Up

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The Second Rebirth of Gallifrey

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Banishment to the Multiverse

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The Eleven Doctors

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Death's Champion

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Prolonging the Inevitable

Death

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It's time to die. Remember me.
— Last Words of the Twelfth Doctor

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Undated events

Alternate Timelines

Exile

In an alternate timeline, the Twelfth Doctor committed suicide and regenerated into a woman to hide from the Time Lords. (BFDWU: Exile)

Psychological profile

Personality

The Doctor's twelfth incarnation was most definitely not human-like in nature, and he stood apart from others, (DW: Christmas with the Daleks) even his own people. (DW: A Gallifreyan Christmas) Despite being known for his dark personality, the twelfth incarnation was known for his use of words to resolve problems as opposed to violence. (DW: The Imps)

A mysterious character, the twelfth Doctor appeared as both a selfish anti-hero and a noble figure, defending truth and the innocent. (DW: The Imps) He was by turns casually disdainful yet formally gracious. (DW: The Jinx) During this phase in his life, the Doctor was irascible, a brilliant but often short-tempered scientist. (DW: Ice Time) This Doctor would get particularly snappish with those who doubted the TARDIS could actually travel through space and time. (DW: Daleks of the Holocaust)

Paradoxically, he had a deep streak of ruthlessness, particularly when dealing with an adversary. He had no problem hitting, or even killing, when a life was threatened. Although generally peace-loving and kind-hearted, as per most of his other incarnations, the Twelfth Doctor could also react with sudden violence when necessary. (DW: The Imps) He was also not against taking a life in extreme circumstance, but would scolded others for unnecessary killing. (DW: Butterfly Wings) He was also easily agitated when people or objects did not do as he wished them to, and would resort to physical confrontation and somewhat reckless behaviour to achieve his goals. (DW: The Doomsday Contract) However, he would become almost threatening when his companions suggest they use weapons against less threatening enemies, claiming it wasn't how he solved problems. (DW: Thomas)

This "darker" side would come to define him, as the twelfth incarnation became a master manipulator who saw the battle between good and evil as a game of chess and everyone around him as pawns, to be manipulated in the pursuit of stopping evil. (DW: God of the Daleks) Frequently, he would only see the "bigger picture" rather than the world before him. Often, he would not sufficiently explain this bigger picture to his companions. (DW: The Hand of the Master)

This incarnation was unafraid to pitch in with his physical skills, often bringing his mastery of Venusian aikido into play when the situation called for it. (DW: Project: Zeta Sigma)

Much like his predecessors, his keen mind was still his primary asset, and this was an incarnation who particularly loved to create and play with gadgets of all sorts. (DW: The Imps) In fact, in what little free time he had, he would spend time create new gizmos and gadgets. (VG: Prey of the Slitheen)

His mind would often leap ahead of anyone, including himself. He delighted in keeping both friends and foes alike off guard with oddball humour and curious pranks, as in his second and fourth incarnations. The twelfth Doctor often played the fool to lull his opponents into underestimating him. (DW: Christmas with the Daleks)

Despite his charm and offbeat humour, the twelfth incarnation was arguably more aloof and sombre than his previous incarnations. He could become intensely brooding, serious and even callous, and would keenly scrutinise his surroundings even when playing the fool. He could also be furious with those he saw as unintelligent, frivolous, misguided or evil. (DW: Christmas with the Daleks) When taking charge, he could be considered authoritative to the point of egocentricity, but as it is, he was usually the only one capable of solving the situations he found himself in. (DW: The Imps)

The twelfth Doctor regularly provided his name as a threat, which only rarely worked, despite his apparent expectations. (DW: Christmas with the Daleks) This was mostly because so few species knew of his or the Time Lords' existence. (DW: The Imps)

While he had resolved much of the survivor's guilt felt previously, the twelfth Doctor had begun to feel his age, often compaining about back problem, occasionally walking with a stick and pretending to smoke pipe. (DW: Christmas with the Daleks) Beneath his youthful veneer and outward playfulness was a very old man who had seen many terrible things. (DW: Thomas) He felt a deep loneliness and his keen sense of loss led him to empathize with those who had also suffered. (DW: Daleks of the Holocaust) In some matters, his patience and capability for mercy and compassion had worn out or diminished. He was even aware of this trait, enough so to openly admit it and use it to intimidate his enemies. (DW: The Imps) When Dana caught a glimpse into his mind, she that the Doctor was in emotional pain alot, but, because of his nature, he couldn't tell anyone. (DW: Shrine) The twelfth incarnation's more extreme emotional moments seem linked to making hard choices and the potential that innocents might suffer and die as a result of them. When it appeared he had to sacrifice the Jewish people in the Dalek camp in order to save Earth from the Daleks, he seemed disgusted with the situation and himself, remarking that he would have to change his name because he wouldn't be the Doctor any more. (DW: Daleks of the Holocaust)

The Doctor had a very hard time accepting defeat or failure. Having seen so much destruction he felt driven to try to prevent it where possible. (DW: Last of the Silents)

He had, like a number of his other incarnations, fantastic leadership qualities. He was extremely resourceful and quick thinking, able to spin things to his point of view, and could find positive outlooks in negative situations. He was somewhat more melodramatic in his brilliance. When thinking about a problem, he blocked out all outside distractions, to the point where he would tell a dying person "you're dying, now be quiet" so he could solely concentrate on working out how to save them. (DW: The Imps)

The twelfth incarnation shared many, but much milder, traits of the sixth and eleventh incarnations, such as the solemn nature when not being taken seriously and the belittling of humans. Also reminiscent is the lack of interest in his companions, much more than his previous incarnation's, even ignoring them when busy with his work. He also largely preferred his companions to follow his instructions but usually fell back to his previous incarnation's habit of letting his companions try their own plans. (DW: Lizards)

Much like his fourth, sixth, ninth and eleventh incarnations, this Doctor was much more outwardly alien and wasn't as in touch with humanity as his fifth, eighth and tenth incarnation were. The twelfth incarnation believed that a human's ability to feel emotion defined their humanity. (DW: The Imps) This incarnation was also aware of the flaws humans had and reminded them of those flaws at any opernunity given. (DW: Daleks of the Holocaust) He once out right atmitted that he saw humans as beneath him, yet still showed a deep respect for humanity, calling them an "extraordinary species" in the grand scheme of things and telling his enemies that it was dangerous to underestimate them. (DW: Ice Time)

The Twelfth Doctor would also have difficulty expressing himself emotionally, being reserved and stiff during these conversations. When he did lose control of his emotions, the outbursts were quite intense and he seemed to regret his actions and behaviour afterward. (DW: Independance Day)

Unlike the other Doctors, the twelfth believed in fate; the idea that most things happened for a reason, and that events in the universe were connected. (DW: The Blade of the Other)

This Doctor's logical, analytical personality means he was too literal and he had a terrible sense of balance meaning he was not good at some sports such as skateboarding, football and basket ball. (DW: The Children of January House)

He was also quite nostalgic, prefering the 20th century to most other timezones. (DW: A School for Glory) He also had a small obsesion with Thomas the Tank Engine; (DW: Thomas) to the point that, when faced with death at the hands of cavemen, he was sad at the fact he was to die in a year without Thomas the Tank Engine. (DW: The Fire-Maker)

He was also atmitted being a fan of Shakespeare, Rowling, Moffat and Beethoven. (DW: A School for Glory)

The Twelfth Doctor was also known to be very spacific about detail, even about his own past; he would name the incarnation he was in when talking about his personal history, e.g. "Once in my tenth, seventh and partly eighth lives I was a real human... I didn't like it". (DW: Christmas with the Daleks)

Habits and Quirks

This incarnation of the Doctor appeared to have incredibly good eyesight, as well as good hearing and an eidetic memory, and was able to scan an entire scene and pick up little details. (DW: Christmas with the Daleks) He implored others to observe every detail in an area and make brilliant deductions from doing so. (DW: Twelfth Night)

The twelfth Doctor punctuated his speech with, "Hmmmm...?", exasperated sighs and snorts and the occasional mangled phrase or word. (DW: Twelfth Night) He would address young women as "my child" or "young girl" and younger men as "my boy" or "lad/laddie". (DW: Daleks of the Holocaust)

He would often have jelly babies with him, and offer them as a greeting or gesture. While past incarnations also showed occasional fondness for jellt babies, the twelfth Doctor's love for them was rivaled only by the fourth Doctor. (DW: The Imps)

He was also quite fond of puns. A habit occasionally displayed was a tendency to mangle and combine earth idioms, such as "A stitch in time... takes up space". (DW: Who)

The twelfth incarnation was a consummate fan of the game of chess, (DW: The Doomsday Contract) to the point of treating his companions and enemies as pieces on a chess board. (DW: The Imps)

The twelfth incarnation exhibited a habit of giving people, even strangers, hints about their future, while not expressing outright the nature of that future, with the exception of Adolf Hitler. (DW: Daleks of the Holocaust)

This Doctor also had quite a bit of experience in pick-pocketing, something unseen from any other incarnation and something the Doctor was unhappy about. (DW: The Pirates)

He often remarked that exotic technology or life is "beautiful" or "brilliant" and was genuinely enthralled by such discoveries, sometimes to the extent that he placed himself or his companions in danger. (DW: Ice Time) When this incarnation was faced with an occurrence that dumbfounded him he would repeatedly say "What?", increasing the expression on his face each time. (DW: The Pirates) While attempting to explain something he would often interrupt himself with a "Well..." and further elaborate what it was he was talking about. (DW: Independance Day) This Doctor was also fond of the phrase "I'm sorry, I'm so sorry", mainly talking to persons he knows are about to die and those he cannot save. (DW: The Imps)

This incarnation of the Doctor spoke in alien languages very often. (DW: Day of the Weevils)

This incarnation of the Doctor relied heavily upon his sonic screwdriver, pushing it to limits not seen in previous incarnations. (DW: Christmas with the Daleks) He also continued to heavily use the psychic paper. (DW: Independance Day) Like his previous selves, he appeared to have the ability to carry a large and diverse number of objects in his pockets, stating once that they were bigger on the inside. (DW: Christmas with the Daleks)

This Doctor also had the small quirk of intending to go to one destination, but walking in the opposite direction, leading to more than a few corrections from others. This was similar to his sixth incarnation's habit of declaring to go one way but then going a different way. That, however, was more of a personal quirk than a bad sense of direction. (DW: Christmas with the Daleks)

This Doctor often did math calculations in his head very fast. This included making an estimate, waiting for those around him to respond, then giving a very exact answer. (DW: The Doomsday Contract)

He also showed a penchant for talking with his hands, being able to calculate a situation with hand gestures. He also had a habit of spinning in circles when walking and spinning around in a complete counter clockwise circle to look in one direction instead of turning to the right. (DW: Christmas with the Daleks)

This incarnation was also fond of bow ties and headwear. (DW: Christmas with the Daleks)

Much like his eleventh persona, this incarnation had horrible social skills. He would often interrupted himself, and others, to tell someone to "be quiet!" Also, this incarnation was frequently out-done verbally by Kitty and River, to the point of becoming flustered at some of their wittier remarks. (DW: Christmas with the Daleks)

He also had a habit of rambling, making rapid amendments to his speech, to the point where it seemed like he was talking nonsense and even he was unaware what he was saying. (DW: The Imps)

A habit that seemed to mildly disturb this Doctor was his propensity for tasting things in order to determine their chemical and mineral composition. (DW: Triumpth of the Weeping Angels)

Skills

The Twelfth Doctor is known to over use his telepathic abilities, once reducing him into a coma. (DW: Thomas)

More seriously, the twelfth Doctor had a gift for diplomacy and winning others over to his side. This particular facet of his personality enabled him to trick others into doing what he wished. (DW: The Imps) Combined with his skill for improvisation, it is clear why this Doctor considered himself a "genius". (DW: Christmas with the Daleks)

He also had a tendency to think aloud when he was panicking or stressed. (DW: Daleks of the Holocaust)

He once stated "I have the directional instinct of a homing pigeon". (DW: The Pirates)

Appearance

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Monday2

The Doctor in his suit. (DW: The Doomsday Contract)

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Wendsday2

The Doctir in his "Country wear". (DW: The UNIT Years)

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Friday2

The Doctor in his rarely seen "all blacks" look. (DW: He Comes Every Christmas)

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Catchphrases

  • "Off We Jolly Well Go Then": used in a similar manner of the Tenth Doctor's "Alons-y" and the Eleventh Doctor's "Geronimo".
  • "Darn'it": used when something does not go his way.
  • "Hell-O": the Twelfth Doctor's typpical greeting, with the 'O' beinmg stretched.
  • "Yay": used when happy about something.
  • "Come Along, (surename)": used in a silimar manner of the Eleventh Doctor.
  • "Huhmana-Huh": used when shocked or surprised.
  • "Cork'in": used in a silimar manner of the Ninth Doctor's "Fantastic" and the Tenth Doctor's "Brilliant".
  • "There It Is": used when seeing an item/character of intrest.
  • "You look familiar": Used when encountering a character from the Doctor's past.
  • "Would you like a jelly baby?": used in a silimar manner of the Fourth Doctor.
  • "If we fight like..., we die like ...!": a homage to the final episode of the classic series, when the Seventh Doctor procliamed that he he and the Fourteenth Master fought like animals, they would die like animals.
  • "I'm sorry... I'm so sorry": the Doctor's trademark apology.
  • "Bow ties are cool": used in a similar manner of the Eleventh Doctor.
  • "I'm feeling nostalgic": usally muttered when using an item from his past or visiting a place of which he had already been.
  • "I AM TALKING": used when his enemies try to talk back to him.
  • "No, no, no": muttered when seeing.hearing something that he finds unpleasent.
  • "What? What?!? WHAT?!?!?": used in a similar manner of the Tenth Doctor.
  • "Be Quite": used to silence others who anger him, to consentrate or when boasting to his enemies.
  • "There's Been Some Cowboys in Here": used when entering a usally untidy area.
  • "I am the Doctor": used to identify himself, occasionlly used to intimidate his opponents.

Relationships

Doctors

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Companions

Enemies

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Friends

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Behind the scenes

  • With 12 series under his belt, and his appearences in Twelfth Night and Fall of the Eleventh, Jack Mozenrath serves as the longest running actor to portray the Doctor, beating Tom Baker's Fourth Doctor's 7.
  • Originally, the Twelfth Doctor's dying words were to be a homage to William Hartnell's First Doctor's goodbye speech to Susan Foreman, but Jack Mozenrath thought the "Dying speech" was too close to the lines and refused to "steal Hartnell's moment", so the Twelfth Doctor's final lines were cut down to six words.
  • The "Dying theme" of the Twelfth Doctor was a Doctor Who edition of Torchwood's "Owen Harper theme", apparently at Mozenrath's request.
  • As with previous incarnations of the Doctor, the Twelfth had two archenemies specificaly aimed at him. These are the Weeping Angels and the Dream Lord.

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