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Cornelius Pernell
Avogadro AlphaOmega BO4
Avogadro in Alpha Omega
Alias(es) Peter's Handler
Cornelia Pernell (alternate timeline counterpart)
Avogadro
Appears in Call of Duty: World at War
Call of Duty: Black Ops
Call of Duty: Black Ops II (as Avogadro)
Call of Duty: Black Ops III (as Cornelia)
Call of Duty: Black Ops 4
Rank Handler (formerly)
Operations Director
Affiliations CIA seal BO Central Intelligence Agency
BrokenArrow Logo Broken Arrow
Nationality Flag of the United States American
Status Integrated within the Pylon (canon)
Unknown (non-canon)
Sex Male
Female (as Cornelia; alternate timeline)
Timeline "Aether" Storyline
Voice Actor Tom Kane
Level Shi No Numa (heard only)
Tranzit (as Avogadro)
Revelations (heard only, as Cornelia)
Classified (heard only)
Alpha Omega (as Avogadro)
"Did you really think you could contain me? You only made me stronger!! Cornelius Pernell was a mortal name. It cannot encompass what I have become. If you must call me something before I destroy you all -- call me Avogadro."
— Cornelius Pernell as Avogadro in Alpha Omega


Cornelius Pernell (also known as Avogadro) is a character featured in Treyarch Zombies mode and leader of Broken Arrow. Pernell originally appeared in a radio on the map Shi No Numa from Call of Duty: World at War. Pernell is also mentioned in the CIA Data servers from Call of Duty: Black Ops where the transcript of his transmission to Peter McCain can be found in the Vbush's files.

Pernell made an appearence in a radio on the map Revelations from Call of Duty: Black Ops III as his alter ego, Cornelia. Pernell can also be heard in several radios and audio logs on the maps Classified and Alpha Omega from Call of Duty: Black Ops 4. In Alpha Omega, it was revealed Pernell became the entity known as Avogadro.

BiographyEdit

Cornelius Pernell was a member of the OSS during World War II and the handler of several operatives. He successfully led the operation to infiltrate Peter McCain in Group 935 and Peter was transfered to the Asylum Facility in Berlin. Suspecting that the Group 935 was losing control over their experiments, Pernell sent a Marine recon unit on August 1945, the team was led by "Tank" Dempsey.

An outbreak occured shortly after in the Asylum Facility and Peter, who was ousted as a spy, managed to escape. The recon team faced hordes of zombies inside the asylum, the team was killed and Dempsey was ultimately captured by Group 935. On September 1945, Pernell attempted to contact Peter McCain to rendezvous at the Rising Sun Facility under the control of Group 935 and Division 9. The next month, Peter parachuted over the Rising Sun Facility and died shortly after.

After the war, Pernell became Station Chief of the CIA at Groom Lake in Nevada where a large deposit of Element 115 was discovered in 1937.

In 1961, construction began at Groom Lake for a teleporter to establish a link between the facility and Griffin Station on the Moon with Pernell overseeing the project. The next year, Pernell oversaw the reconstruction of the M.P.D. at the testing site in Groom Lake.

On February 1963, Pernell learned about the existence of Samantha Maxis from Doctor Schuster. After months of research, he was convinced the US Government would need even more Element 115 to fight Samantha and he would be able to securing the funding for his program he dreamt about for many years, Project Broken Arrow.

On August 3rd, 1963, while new tests were performed with the teleporter, the Ultimis crew (Edward Richtofen, "Tank" Dempsey, Nikolai Belinski and Takeo Masaki) was teleported from the Moon and arrived at Groom Lake. After medical examination, Cornelius Pernell kept the crew locked up in Hangar 4 as test subjects for Element 115 experimentations. Unfortunately for Pernell, Ultimis would escape with the help of their Primis counterparts a few months later.

Sometime after this, Pernell and Broken Arrow began the development of the American Pyramid Device at Camp Edward in Nevada, modeling it after the MPD on the Moon. Through the experiment and prolonged exposure to 115, Pernell began to hear voices in his head similar to Ultimis Richtofen and Yuri. He grew to become paranoid and obsessed with reaching Agartha, to the point of torturing the captured Yuri to death and used his former friend, Peter McCain, as an test subject. Eventually in 1968, Cornelius entered the APD once again, and through it he was transformed into the Avogadro. This resulted in the full lockdown and abandonment of the facility, and shutdown of Rushmore. In 2025, Primis and Ultimis arrived on the camp Edward to retrieve the Elemental Shard, which resulted in the awakening of the Avogadro and subsequent detonation of a Nuke as a safety measure in case of the containment breach, however it did nothing to stop it. After an intense fight against Primis and Ultimis, the Avogadro was defeated and forced back into the A.P.D, and sent to the Hanford site in Washington state for proper imprisonment.

At the Hanford site, the Avogadro was contained in a Broken Arrow facility disguised as a power station, but eventually was freed by Victis in 2035 after the destruction of the Earth. Ultimately, the Avogadro was consumed by the Pylon as a power source for Maxis.

Cornelia Edit

In an alternate timeline, a female counterpart of Cornelius named Cornelia exists in his place. The transmission from Cornelius to Peter in Shi No Numa can be found in Revelations, however spoken by Cornelia.

"R-4808N 27 14 06 115 48 40"
I hope you're receiving this transmission, Peter. If you are not, then all hope is lost. You must know by now that we failed to contain the asylum, that we had to move the experiment here. Location. The numbers will guide you. The Giant must remain (static) at all costs, repeat, Der Riese must (static) at all costs. The DG-2 experiments continue. You'll be our only advantage now. Find Doctor Richtofen and Doctor Maxis, they may know what's going on. The use of Element 115 is dangerous at best. I'm not sure if we can continue here. We've lost most of our best (static). I hope you get this. I hope it hasn't happened there too, but I'm almost out of hope.
"60 54 06.96 101 55 44.94"
— Cornelia in Revelations
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