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Officer Cerberus Langarm was a British wizard and an Officer in the Department of Magical Law Enforcement at the Ministry of Magic, where he worked as an Auror[2] under the command of Harry Potter. Considered a 'celebrated' one, he took great pride in his position.


Early life[]

Cerberus Langarm was born into a family of unknown wizarding descent likely sometime in the mid- to late 20th century.


Sometime after his seventeenth birthday, Cerberus joined the Ministry of Magic in London, where he worked as an Officer in the Magical Law Enforcement Squad.[3][4] He passed intelligence regarding reports of creature-related incidents to the Beast Division in the Department for the Regulation and Control of Magical Creatures and lent his authority as a lawman to Mathilda Grimblehawk and her partner. On occasion, he would also accompany them to secure the areas where wild beasts was believed to be located in order to prevent further injuries,[5] and assisted the investigators of said division by making investigative inquiries and retrieving and examining evidence for them.[6]

At some point, Cerberus became an Auror in the British Auror Office, where he worked to capture Dark wizards alongside among others Mordecai Berrycloth, Dorian Fungbury and Penelope Fawley, under the command of the Head of the department, Harry Potter, and became a celebrated Auror himself.[2] In less dangerous times with a low amount of dark magical activity to combat, however, Aurors would also be tasked with patrolling the perimeters of magical creature reserves to ward off poachers.[7]

Following the outbreak of the Calamity, Cerberus joined the Calamity Management Team in the training of those of the agents of the Statute of Secrecy Task Force that wanted to pursue the same career as himself, and in would later host the Forum Quorum, where his advice on the health benefits of proper rest before and after battle benefited at least some members of the Statute of Secrecy Task Force in attendance. He would also eventually hold a course in self-defensive spellwork that would give them an advantage in the field.[8] He also was assigned with overseeing the Resilience Training of the department's recruitment programme.[9]

Personality and traits[]

Known to take great pride in his position as an Officer of the Department of Magical Law Enforcement, Cerberus Langarm was a diligent, tough-minded individual, known to take his duties seriously and maintained an overall professional and largely courteous demeanour. Decisive in both thought and deed, he was above all else a man of action, often reaching for his wand to solve a problem rather than reason his way around it. One such example took place during his time working with the Beast Division, whereupon Cerberus agreed to help to investigate the secret owlery of Bilius Finbok, and was so quick to instinctively break down the door with a spell that he failed to realise that his co-workers had already unlocked it.[10]

He also had a somewhat old-fashioned and naive outlook on magical creatures, employing a "curse-to-kill" policy similar to the one for which the MACUSA used to be well-known for back in the 1920s when facing those he regarded as particularly dangerous.[10] He also possessed a dry wit, and was not immune to the finding of amusements at other people's expense, as seen when he delegated the task of going through the accounts ledger from Slug & Jiggers Apothecary in Diagon Alley to Mathilda and her partner, telling her to "enjoy", despite the fact that he knew she was no more fond of paperwork than himself.[10]

Proud to a fault, he was also embarrassed about some of his own shortcomings and hence, reluctant to acknowledge them in front of other people, such as his fear of snakes.[10]

Magical abilities and skills[]

  • Auror skills: As an official Dark Wizard catcher, Cerberus Langarm was a very capable investigator trained extensively to become a well-respected expert in his line of work, and responsible for his fair share of captures and arrests of dangerous Dark wizards over the course of his career at the Auror Office.
  • Martial magic: As an Auror, Officer Langarm was an accomplished duellist, being well-versed in both offensive magic. A seasoned combatant, in addition to being aware of and invariably taking full advantage of the health benefits of proper rest before and after battle.[11] He was also highly resilient, having several techniques that he would use to help him recover from attacks quickly,[12] and very familiar with various defensive techniques, to the point of being able to determine which ones were best suited for environments out in the field, and which were better for interior use.[13]
  • Teaching skills: Langarm was able to lecture and otherwise effectively share his experiences with the the participants of the Auror recruitment programme working for the Statute of Secrecy Task Force in order to help them contain The Calamity.[2]


His first name is the Latin version of Kerberos (Κέρβερος), the three-headed dog which in Greek legend guarded the entrance to Hades. His last name appears to be a pun on "long arm", as in the idiom long arm of the law, which is used to refer to the police.


The Harry Potter Wiki has 2 images related to Cerberus Langarm.

Notes and references[]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Fantastic Beasts: Cases from the Wizarding World
  2. 2.0 2.1 2.2 Harry Potter: Wizards Unite (SOS Task Force Training - Arurorial Appraisal: Resilience Training)
  3. Fantastic Beasts: Cases from the Wizarding World - "I'm a Magical Law Enforcement Officer! I've trained to fight Dark wizards!" - Cerberus Langarm,
  4. Fantastic Beasts: Cases from the Wizarding World" "I catch hardened criminals, Grimblehawk. I think I can handle one measly beast! Now, stand back while I break the door down!" - Cerberus Langarm,
  5. Fantastic Beasts: Cases from the Wizarding World, Case 2: The Smell of Fear
  6. Fantastic Beasts: Cases from the Wizarding World, Case 5: Trouble Brewing
  7. Harry Potter: Wizards Unite (Brilliant Event: Darkness Raising Part 2)
  8. Harry Potter: Wizards Unite (see video)
  9. Harry Potter: Wizards Unite (SOS Task Force Appraisal)
  10. 10.0 10.1 10.2 10.3 Fantastic Beasts: Cases from the Wizarding World, Case 5: Trouble Brewing
  11. Harry Potter: Wizards Unite (SOS Task Force Training - Magizoological Appraisal: Forum Quorum)
  12. Harry Potter: Wizards Unite (SOS Task Force Training - Aurorial Appraisal: Resilience Training)
  13. Harry Potter: Wizards Unite (SOS Task Force Training - Magizoological Appraisal: Wilderness Wards)
Department of Magical Law Enforcement employees
Department of Magical Law Enforcement logo
Heads of Department
Justus Pilliwickle · Torquil Travers · Bartemius Crouch Senior · Amelia Bones · Pius Thicknesse · Corban Yaxley · Arthur Weasley · Harry Potter
Auror Office
Heads: Theseus Scamander · Rufus Scrimgeour · Gawain Robards · Harry Potter
Mordecai Berrycloth · John Dawlish · Penelope Fawley · Dorian Fungbury · Timothy Hale · Alice Longbottom · Frank Longbottom · Neville Longbottom · Patricia McManners · Alastor Moody · Alastor Moody's father · Riya Patel · Proudfoot · Savage · Kingsley Shacklebolt · Nymphadora Tonks · Ronald Weasley · Williamson · Unidentified Aurors · Helen Thistlewood · Solomon Sallow · Aesop Sharp · Aesop Sharp's partner · Unidentified male Auror at Hogwarts · Director of the Ministry Police No. 41041
Improper Use of Magic Office
Heads: Travers · Dolores Umbridge
Mafalda Hopkirk · Honoria's fiancé · Mafalda Hopkirk's Ministerial Superior · Rufus Fudge · Orabella Nuttley · Chester Davies · Linderina Crane
Other personnel
Council of Magical Law guards · Leta Lestrange · Minerva McGonagall · Elphinstone Urquart · Elton Elderberry · Alastor Gumboil · Arnold Peasegood · Arthur Weasley · Perkins · Bilius Finbok · Cerberus Langarm · Hermione Granger · Bob Ogden · Constance Pickering · Ruth Singer · Tulip Karasu's mother · Tulip Karasu's father · Dempster Wiggleswade · Amelia Bones's assistant · Arthur Weasley's ten subordinates · Unidentified Hit Wizard · Unidentified Wizengamot clerk