Dr. Monty

Dr. Monty is a overall antagonist in the Call of duty Zombies mode, first appearing as an supportive character in Call of duty: Black ops 3. In Black ops 4, it is revealed he is the main antagonist of the storyline, responsible of putting the cycle on the Primis, Ultimis, and many other charcters.

Origin
Dr. Monty is the member of the keepers who were unaffected by the corrupted energy from the Dark Aether, and defeated their corrupted brethern. His role in the war is unknown, but was one of the powerful member in his species, likely leading them to victory. After the War, the corrupted keepers including Monty's best friend, were banished to the Dark Aether dimension, slowly evolving into the Apothicons.

Biography
It is unknown how long the universe has been in a cycle, but Dr. Monty finds out that the universe he know in love was unstabilizing when the Ultimis using teleportation machines to go through time and space. Later on, he erases Doctor Maxis from the original storyline from existence when he has full control of the Aether, and sends his daughters soul, Samantha Maxis, to the house, and gives her a physical body. Samantha then contacts the Primis from another timeline to help her escape agartha, and meet her father from the Primis dimension.

In another universe, where Primis Edward Richtofen travels across universes to find answers, he finds the Kronorium, a book that has immeasurable knowledge about the multiverse, and finds the summoning key, grabbing Dr. Monty's attention. In Gorod Krovi, Monty introduces himself to Primis Dempsey, Nikolai, and Takeo, telling him to be aware of Richtofen's plan, and come to the house to return the summoning key.

When the Primis arrives to the house, he gives Maxis the summoning key, and destroy the teleporter, sealing Agartha across the multiverse. Later on, Maxis gets manipulated by the Shadowman inside the summoning key, and accidently trade souls with him, releasing the shadowman. The Shadowman then constructs Agartha and merges the Dark Aether. and mulitple dimensions together. The Primis was quickly called back, and sees every dimension they've traveled together in one universe. Dr. Monty assists the Primis and defeats the Shadowman, the apothicons, and zombies, with the help of Maxis sacrificing his life inside the summoning key, closing all dimensions. Dr. Monty then finds out that the Primis didn't disappear, due to them collecting the blood vials, creating a paradox. Monty then tries to wipe them out from existance, then changes his mind by sending them back in time where the 2nd war with the keepers and the Apothicons took place.

In Blood of the dead, the cycle was broken by Post-Revelations Richtofen, and tells the Primis to change their plans, and gives the Kronorium to Nikolai, saying that hes the key to defeating Monty, Then exit the Alcatraz island from portals, leaving the other Richtofen to die. Later on the Ultimis were trapped inside of the Area 51 hangar base, but were rescued by the Primis, telling them to come with them to prepare for the great war.

Arriving at Camp Edward, Dr. Monty gets suspicion that something is not right, and finds out that Ultimis and Primis are together after they gathered the Elemental shard. Angered, he comes to the basement to be discovered that Maxis is awared of the plan and teleports Samantha and Eddie to Camp Edward. He kills Doctor Maxis while Samantha watches him get devoured by Monty, and promises that she will burn the house down, and kill him to avenge her father.