BlackopsNewTopright BO3topright BO4topright Ztr
Gersh Ascension FirstStrike Poster Zombies
Alias(es) "anomaly" (by S.O.P.H.I.A.)
Appears in Call of Duty: Black Ops
Call of Duty: Black Ops III
Call of Duty: Black Ops 4
Rank Doctor
Affiliations Ascension group logo Ascension Group
Flag of the Soviet Union Soviet Union
Nationality Flag of the Soviet Union Soviet
Status Deceased
Killed By S.O.P.H.I.A.
Death November 6th, 1945, Stalingrad, Soviet Union (Agonia Fracture)
Sex Male
Hair Bald
Race Caucasian
Weapon Thundergun
Voice Actor Nolan North
Level Ascension
Zetsubou No Shima (mentioned only)
Gorod Krovi
Classified (cutscene only)
Alpha Omega (mentioned only)
For the tactical grenade, see Gersh Device.
"My name is my name. My name? Oh, yes, it is Gersh. How long have l been floating? Minutes? Years? Where is now? I guess I can forgive Yuri. I quite like my new form. Hmmm, where am I now. A city on fire by a river. I know this place. Finally, I am home"
Cipher from Zetsubou No Shima

Doctor Gersh (Russian: Герш) is a character featured in the Aether story of Treyarch's Zombies mode. Gersh first appeared in the map Ascension from Call of Duty: Black Ops and its remaster in Call of Duty: Black Ops III. He is also mentioned in the map Zetsubou No Shima and he appears in the map Gorod Krovi, both from Black Ops III. He's briefly seen and mentioned in Call of Duty: Black Ops 4.


Doctor Gersh joined the Ascension Group on October 19th, 1955, with Yuri Zavoyski. The Ascension Group was formed in the Soviet Union less than a decade prior their arrival in the organization in 1946 by former member of Group 935, Harvey Yena.

By 1957, Gersh oversaw a project of teleportation. As a result the Ascension Group successfully completed work on a functional matter transference device.

In November 1962, Gersh began working on Project Thunder. The next month, he began working on Project Mercury with Yuri. However, less than a year later, on October 29th, 1963, Gersh has come to the conclusion that Yuri was incapable of handling Project Mercury and informed the senior staff that Yuri was transferred to Rocket research.

Few days later, on November 4th, 1963, Gersh announced to the Committee that Project Thunder was nearing completion and revealed that Yuri may needed to be removed from the Ascension Group as he became hostile towards other scientists and frequently muttering to himself. The next day, Yuri, who was consumed by Samantha's voice after reading Ultimis Richtofen diary, tricked Gersh into activating a Gersh Device. The rift created allowed Samantha to travel through. It also absorbed Gersh, destroying his body and trapped him inside the Casimir Mechanism.

When Ultimis arrived at the Ascension facility on November 6th, 1963, an outbreak occured. Ultimis managed to free Gersh, who maintained his now ethereal form, from the Casimir Mechanism. Gersh then sent them into a rift to their next destination before beginning his travels across space and time.

After wandering through time and space for some time, Gersh arrived at Stalingrad in the Agonia fracture. In this fracture, World War II never ended and the Battle of Stalingrad continued forever. In the city, S.O.P.H.I.A. requested Primis to retrieve Gersh as part of the Ascension Protocol. As Gersh kept floating around, he constantly rambled on and on about his state of existence. After being provoked enough times, he began to recognize the crew, though he did not realize that they are not the same as Ultimis. Gersh agreed to travel to S.O.P.H.I.A.'s location, where she proceeded to extract information from him, a process that she claimed to be "mostly painless". However, the process proved fatal for Gersh as he was heard screaming in agony.

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