Aliases of the Doctor

Throughout his travels in time and space, the Doctor employed many different aliases, titles and epiphets. Some of these were fleeting. Others, for example John Smith, were used by almost all of his incarnations. The Doctor told few individuals his real name, causing others to give him names such as The Doctor.

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The Seventh Doctor's calling card. (DW: Remembrance of the Daleks)

The Doctor's real name

Ubiquity of the title

"The Doctor" was not a name, but was, in fact, a title. His true name was not generally known, and as such the very title "the Doctor" was an alias. It has been implied his given name was ceremoniously withdrawn and stricken by his Cousins, as punishment for a disgrace he visited upon his House. (NA: Lungbarrow)

The Doctor's real name has been implied to be difficult to pronounce, for humans at least. He once told an interrogator (when being asked his name): "you wouldn't be able to pronounce the first syllable of it." (PDA: Salvation)

Even when he was twice put on trial by his own people, the Time Lords, he was only referred to as "the Doctor" (DW: The War Games), even although The Valeyard, who prosecuted the second trial (and who, himself, was a future manifestation of the Doctor) acknowledged that it was an alias. (DW: Trial of a Time Lord) However, as the Doctor chose that "name" as part of Gallifreyan custom (DW: The Sound of Drums), its use in an official capacity is not unexpected. The Doctor was able to keep his true name hidden despite numerous "mind-probe" attempts, both voluntary (DW: The Girl in the Fireplace) and involuntary. (DW: The Shakespeare Code)

Individuals with knowledge of his name

The Master knew the Doctor since their Prydon Academy days, and by one account even earlier (BFA: Master), but it is not known for certain whether he ever knew the Doctor's true name, although he was well aware that "the Doctor" was an alias. (DW: The Sound of Drums)

Madame de Pompadour recognized it as an alias when she was briefly connected to the Doctor's mind, saying "Doctor...Doctor who? It's more than just a secret, isn't it?". (DW: The Girl in the Fireplace)

Whether or not Madame de Pompadour actually learned his name this way remains undisclosed. She was able to see into his mind and into his past, although it was established that if mind-reading was done in this way, memories could be closed off at will. That said, the Doctor was not aware that she was reading his mind at the time.

When the Tenth Doctor first encountered her, River Song claimed to have known him at some point in his future. She was one of the few individuals confirmed to know his true name. In order to win the Doctor's trust, and prove her "credentials", she whispered his name in his ear. The Doctor seemed shocked at this, later saying to her "there is only one reason I would ever tell anyone my name, only one time I could." (DW: Forest of the Dead)

She whispered the Doctor's name for a duration of roughly two seconds, suggesting the name may only be a few syllables long (assuming she uttered a complete name). Steven Moffat made a point of mentioning that he always felt the Doctor's name was never revealed only because it must have been some "terrible secret".

When asked about the Sixth Doctor's name, his companion Peri Brown once said that she had been told it, but she couldn't pronounce it. (BBCR: Slipback)

At least one other person, the Eighth Doctor's companion Samantha Jones, was also told his real name. She found it quite alien and virtually unpronounceable. (EDA: Unnatural History, Vanderdeken's Children)

When the Doctor spoke his real name aloud in the novel Vanderdeken's Children it was not written in the prose, but represented by "—" instead.

Near the end of his tenth incarnation, members of an unidentified pan-dimensional race came to know the Doctor's real name. At this point he was of the opinion there was no one left in the universe who knew it. (BBCR: The Last Voyage)

True name

The Carrionite Lilith, unable to discover the Tenth Doctor's true name even with the "witchcraft" used by her kind, remarked, "There is no name. Why would a man hide his title in such despair?" (DW: The Shakespeare Code) The psychically-gifted Evelina, who attempted to foretell the Doctor's future, remarked that his "true name" was in fact "hidden". (DW: The Fires of Pompeii)

Significance

River Song said that the Doctor was the first to have this title. The rest of the universe later adopted it, usually to mean 'healer' or 'wise man'. In some parts of the universe (eg. the Gamma Forest), it meant 'mighty warrior'. (DW: A Good Man Goes to War)

Though far from being a randomly chosen title, or one intended to inflate his credentials, the Doctor did possess at least one doctorate. (DW: The Moonbase, The Armageddon Factor, The Mysterious Planet) On occasion he described himself as a "Doctor of many things" (DW: Four to Doomsday), or "everything". (DW: Utopia) Exactly what his doctorate(s) were for remain a mystery, but on several occasions the Doctor stated he was not a medical doctor. That didn't stop his second, third, tenth and eleventh incarnations from sporting a stethoscope on occasion. However the Doctor noted that he had studied medicine in the 19th century. (DW: The Moonbase)

List of aliases

During his life, numerous names, titles and epiphets were either used by, or bestowed upon the Time Lord most widely known as the Doctor.

Common aliases

The Doctor

As noted above, The Doctor itself was an alias, despite it being the name by which the Time Lord was most widely known. It has been claimed that, as per Gallifreyan custom, he chose this alias himself (DW: The Sound of Drums), though it may have just been a misunderstanding caused by an earlier alias. (see Names given by others.) On at least one occasion, a Human knew this name without the Doctor even saying it out loud. (NA: Cat's Cradle: Warhead) His other aliases often included the title "Doctor". He implied to Peri that his given name also began with such a title. (DW: The Mysterious Planet) Drax, a fellow Time Lord, indicated that the Doctor did indeed possess a doctorate (although in what is not indicated). (DW: The Armageddon Factor) According to one account, during his first incarnation, the Doctor adopted this name for the benefit of Human colonists on the planet Iwa at the same time that his grand-daughter adopted the name "Susan". (TN: Frayed)

During his eleventh incarnation, the Doctor claimed that he didn't actually know why he and other people called him 'The Doctor'. (DW: The Lodger) This may have been in an attempt to prevent Craig from asking why they call him the Doctor. This would have been hard to explain to him.

John Smith

John Smith was the alias the Doctor often used on Earth and around Humans when a "standard" name was often required or demanded. It was usually preceded by the title "Doctor", though not always - for example, when he worked undercover as a teacher at a school and as a patient in a hospital. (DW: School Reunion, Smith and Jones) The earliest known use of the name occurred during his first incarnation, when he used a library card with the name Dr. J. Smith while still living at 76 Totter's Lane (DW: The Vampires of Venice), as well as for identification when renting the junkyard (ST: The Rag and Bone Man's Story) In his second incarnation, the name was independently used by his companion Jamie McCrimmon (who would not have known of the Doctor's earlier use of the name). (DW: The Wheel in Space) Later, he adopted it on a semi-regular basis during his third incarnation while exiled on Earth when he served as unpaid scientific advisor to UNIT. (DW: Spearhead from Space, et al)

As "John Smith" is considered a very generic name in some Earth cultures, the Doctor's use of the alias was occasionally treated with skepticism by others. (DW: Midnight)

The Doctor has twice temporarily changed himself into a human who used the name John Smith. This occurred in his seventh incarnation (NA: Human Nature) and in his tenth (DW: Human Nature/The Family of Blood).

Known uses of John Smith

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The Doctor's library card, issued to "Dr. J. Smith." (DW: The Vampires of Venice)

On the First Doctor's library card while still living at 76 Totter's Lane (DW: The Vampires of Venice)
As identification when renting the junkyard from its owner, Hawkins (ST: The Rag and Bone Man's Story)
Used when Rebecca Nurse asked his name, realising that a simple 'Doctor' would not do (PDA: The Witch Hunters)
Used to check in at Ingersoll's tavern in Salem (PDA: The Witch Hunters).
Given to him by Jamie and used aboard Space Station W3. (DW: The Wheel in Space)
Used when questioned by a German soldier, who replies "Good. Now we are getting somewhere". (DW: The War Games)
During his exile on Earth with UNIT, during which time he served as its scientific advisor (DW: Spearhead from Space, The Time Warrior)
Used on the planet Kastopheria when asked by Admiminstrator Charteris who reponds to the answer with "A large family, the Smiths" (PDA: Catastrophea)
"JSMITH" was the Sixth Doctor's username online. (PDA: Blue Box)
A German variation of this name, "Johann Schmidt," was used by the Seventh Doctor while impersonating a Nazi Reichsinspektor. (NA: Timewyrm: Exodus) The Eighth Doctor used it again while posing as a German spy. (BFA: Storm Warning) An alternative version of the Eighth Doctor who existed in a timeline where the Nazis won World War II likewise used the name. (BFA: Colditz, Klein's Story)
A French variation, "Jean Forgeron," was used by the Fourth Doctor when met by French soldiers in the labyrinth underneath Paris. (IDW: The Forgotten)
Given to him coincidentally and serendipitously by Chang Lee on his hospital admittance forms after he was shot near the end of his seventh incarnation. (DW: Doctor Who)
Appeared as "Dr. John Smith" on a piece of psychic paper during a visit to 1941 (although he never actually used the alias on this occasion). (DW: The Empty Child)
Used while working undercover as a science teacher at Deffry Vale High School. (DW: School Reunion)
Used while posing as a patient at Royal Hope Hospital. (DW: Smith and Jones)
Used on both the Confederate and Union sides of the American Civil War as a guise under which the Fifth Doctor could render medical assistance, while having the freedom to search for his lost companions, Peri and Erimem. He received some local publicity under the name, after delivering the baby of the mayor of Gable, West Virginia, and was personally known to Abraham Lincoln by this name after he saved the president's life during an assassination attempt in Richmond, Virginia. (TN: Blood and Hope)
Used while impersonating a health and safety officer during an investigation of Adipose Industries (DW: Partners in Crime)
The Tenth Doctor attempted to use the alias aboard the Crusader 50 bus on the planet Midnight, but it was recognised as a false name and rejected by the panicking humans aboard. (DW: Midnight)
Used when "reintroducing" himself to Donna Noble after he was forced to erase her memories of him. (DW: Journey's End)
Used when encountering Jackson Lake, a man who, due to Infostamp exposure, believed himself to be an incarnation of the Doctor. (DW: The Next Doctor)
Used by the Doctor while posing as his Ganger counterpart and trying to decide an independent name for him. (DW: The Almost People)

Theta Sigma

Theta Sigma (ΘΣ), informally Thete, was a nickname used by the Doctor during his years at the Time Lord Academy on the planet Gallifrey. (DW: The Armageddon Factor, The Happiness Patrol, DWM: Flashback) The name might also have been a codename used by some aspects of Time Lord government to refer to the Doctor. (The Adventures of K9 series)

River Song used the written form "ΘΣ" on a message to the eleventh Doctor on Planet One, though the Doctor specifically called these and other apparently Greek numbers on the cliff face "co-ordinates". (DW: The Pandorica Opens)

"ΘΣ" was also a commonly-used abbreviation for "God" in Greek manuscripts of the New Testament. The capital letters Theta and Sigma together resemble the word "ΟΣ", (who), and some scribal variations in New Testament texts will have "ΟΣ" in a few passages while others have "ΘΣ" in the same passages.[1]

Minor aliases

A list of aliases the Doctor has given himself throughout his travels.

First Doctor

Maximus Pettulian: While visiting the Roman Empire prior to the burning of Rome, the Doctor briefly impersonated a murdered lyre player named Maximus Pettulian in the court of Nero until his true identity was uncovered. (DW: The Romans)
Zeus: When the Greek warrior Achilles mistook the Doctor for Zeus posing as an old man, he went along with it, until the already unconvinced Agamemnon spoiled the Doctor's ruse. (DW: The Myth Makers)
Doctor Caligari: Name used by the First Doctor when he arrived in Tombstone, Arizona, impersonating a magician. It did not take however as the locals took him to be Doc Holliday. (DW: The Gunfighters)

Second Doctor

Doctor von Wer: The German translation of 'Doctor [of] Who,' this name was briefly adopted by the Second Doctor during his visit to Scotland in 1745. He also signed a note Doctor W around this time. (DW: The Highlanders)

Third Doctor

to be added

Fourth Doctor

?: The Doctor signed a document with a question mark prior to the Sontaran invasion of Gallifrey. (DW: The Invasion of Time) Later, the Seventh Doctor signed a document the same way during a visit to London in 1963. (DW: Remembrance of the Daleks)

Fifth Doctor

The Supremo: For a year, the Doctor used the alias of "the Supremo" as leader of the alliance against the army of the renegade Time Lord, Morbius. Originally, his title was that of "Supreme Controller", but the Ogrons, which he chose as his personal praetorian guard, were unable to correctly pronounce it as such and shortened it to the simpler "Supremo". (PDA: Warmonger)

Sixth Doctor

Doktor of TARDIS: Pseudonym used by the Sixth Doctor to move discreetly around an alternate version of the city of Rome. (MA: State of Change)
Lord President of Gallifrey: Used when attempting to stop his second trial by the Time Lords. However, as his previous incarnation fled Gallifrey after being appointed, he was thrown out of office and replaced. (DW: The Mysterious Planet)
The Sandman: (BFA: The Sandman)

Seventh Doctor

Defender of the Laws of Time: Given by himself when introducing himself to Davros' Imperial Daleks in DW: Remembrance of the Daleks
Muldwych: This was, the Seventh Doctor believed, an alias used by a future and/or alternative Doctor residing in a magic-using parallel Earth. (DW: Battlefield) This was, apparently, a future incarnation of the Doctor who, at times, also used the name Muldwych. (NA: Happy Endings)

Eighth Doctor

Doctor Bowman: Used to get close to the atomic clock in San Francisco. (DW: Doctor Who)
Gracie Witherspoon: as a ruse to defeat the Threshold, the Doctor used a personal chameleon circuit to take the appearance of a female Threshold agent while Shayde masqueraded as the Doctor. (DWM: Wormwood)
Dr. Friedlander: While visiting Banquo Manor. (EDA: The Banquo Legacy)
The Bringer of Darkness, the Oncoming Storm and the Evergreen Man: all titles he gave Slake. In addition, he gave his full, former Time Lord title as President of the High Council of the Time Lords, Keeper of the Legacy of Rassilon, Defender of the Laws of Time and Protector of Gallifrey. (EDA: Vampire Science) The Blinovitch Limitation Effect was later described as having "a pressure, like an oncoming storm" before it occurs. (EDA: Unnatural History)
Perdix: while in Rhadamanthys' court. (TN: Fallen Gods)
James Alistair Bowman: while on Ha'olam. (EDA: Seeing I)
Johnsmith8: When hunting IamI in a chat room. (ST: Lonely)

Ninth Doctor

The Oncoming Storm: A title the Doctor says that the "legends of Skaro" calls him whilst taunting the Daleks. (DW: The Parting of the Ways)
The Last of the Time Lords: Now the last survivor of his race, the Doctor adopted this title for himself because of the guilt he felt for surviving. (DW: The End of the World)

Tenth Doctor

Doctor James McCrimmon: The Tenth Doctor briefly took the name Dr. James McCrimmon while visiting Scotland in 1879; this was the name of one of his old companions. Later, however, he dropped the alias and was knighted by Queen Victoria as "Sir Doctor of TARDIS". (DW: Tooth and Claw)
Sir Doctor of TARDIS: Aside from being knighted under this name, the Doctor also attempted to use the title when he encountered William Shakespeare, via the psychic paper, but Shakespeare's mind could not be swayed by the paper.(DW: The Shakespeare Code)
Doctor Vile: The Doctor briefly masqueraded as the space pirate Doctor Vile in order to stop a war. (DW: The Infinite Quest)
The Last of the Time Lords: An epiphet he gave himself ever since the events of the Last Great Time War which wiped out all of the other Time Lords excluding The Master. ^{[source needed]} The Dream Lord also referred to the Eleventh Doctor as such. (DW: Amy's Choice)
Doctor McCoy: After a discussion with Donna Noble, in which she compared the sonic screwdriver with Star Trek's tricorder, the Doctor adopted the alias Dr. McCoy (after Dr. Leonard "Bones" McCoy) when dealing with a group of soldiers (Donna called herself Captain Kirk, after James T. Kirk). The ruse fell apart when Donna was unable to maintain the pretense of being a captain. (NSA: Pest Control)
Spartacus: When visiting Pompeii in 79 A.D, the Doctor and Donna both used the alias 'Spartacus' (they had both said "I am Spartacus" in the manner of the 1960's Kirk Douglas epic Spartacus). (DW: The Fires of Pompeii)
Chief Inspector Smith from Scotland Yard: Used to keep Lady Eddison from calling the actual police after becoming fasinated with the death of Professot Peach. (DW: The Unicorn and the Wasp)
Maintenance Man of the Universe: A title the Doctor gave himself after fixing the lighting in Bowie Base 1 and Captain Adelaide Brook comparing him to a janitor. (DW: The Waters of Mars)
The Time Lord Victorious: Deciding to alter history by rescuing Adelaide Brooke and two of her comrades from Bowie Base One on Mars in 2059, the Doctor became arrogant and egocentrical, declaring that the laws of the Time Lords to prevent altering history no longer applied because he was the last, so he had total authority over time itself. (DW: The Waters of Mars)
Actors: When visiting Hollywood in the early 20th century, the Doctor adopted a number of Hollywood-related names whilst attending a party. Within the space of a few minutes, he called himself "Tom Cruise," "Michael Caine," "Pee-Wee Herman," and "Tom Hanks." (IDW: Silver Scream)

Eleventh Doctor

The Oncoming Storm: The Doctor refers to himself as such when he misinterperts one of Craig's football mates asking for help in annihalating another team. However, he quickly caught his misunderstanding and corrected himself. (DW: The Lodger)
Captain Troy Handsome of International Rescue: An alias the Doctor used when confronting one of the avatars of 79B Aickman Road to avoid a confrontation and to get more information from the ship. (DW: The Lodger)
The Rotmeister: The Doctor claims while he is an expert at fixing dry rot. (DW: The Lodger)
Commander Bond of Naval Intelligence: An alias used by the Doctor when he encountered Gein. (DWA: Sub-species)
The King of OK: The Doctor referred to himself as such when he confronted Amy in Utah. However seconds later he realized that the title is rather stupid . (DW: The Impossible Astronaut)

Names given by others

This section's awfully stubby.

Please help by adding some more information.

A list of name other individuals have called the Doctor throughout his travels.

The Doctor: While later accounts contradict this, Barbara Wright and Ian Chesterton seem to have (albeit unintentionally) given him this title, after being informed that his alias of "Doctor Foreman" was not his real name and having been given no other alternative name by which to call him (DW: An Unearthly Child). The Doctor does not protest and, by the end of the sixties, starts introducing himself by this name. ^{[source needed]}
Doc: On rare occasions individuals (such as Steven Taylor, Peri Brown, Jack Harkness, Jimmy Stalkingwolf) referred to the Doctor as "Doc", usually earning a rebuke from the Doctor. (DW: The Twin Dilemma, The Doctor Dances, Dreamland, et al). Tegan Jovanka frustrated the First Doctor by addressing him as "Doc." (DW: The Five Doctors)
Doctor Who: The name Doctor Who was applied to the Doctor, intentionally or unintentionally, on many occasions. The computer WOTAN once referred to the Doctor as Doctor Who, for reasons which have never been explained. (DW: The War Machines) Clive Finch also used this name when referring to the Ninth Doctor on his website Who is Doctor Who?. (DW: Rose) K9 was heard on occasion making playful remarks related to the Who name. (KAC: A Girl's Best Friend, SJA: Invasion of the Bane) It is unclear whether the Doctor himself ever actually used the name, although his third incarnation drove an automobile with the licence number "WHO 1" (DW: Doctor Who and the Silurians, et al) and not long before his regeneration was seen driving a futuristic vehicle that possibly apocryphal sources suggest may have been called the Whomobile. (DW: Invasion of the Dinosaurs) The Doctor wrote a series of children's books during his time with UNIT which were mistakenly published under this name. (BFA: The Kingmaker)

The name was often unintentionally invoked when characters wished to learn who the Doctor was and what his name was: "Doctor? Doctor who?"

Lonely Angel: Used by Madame De Pompadour (DW Girl in the Fireplace) when she accidentally reads his mind. Later she also calls him a lonely little boy.