Grisha Yeager

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Grisha is not just a doctor. He is, in fact, a man who knows about Marley, the history of Eldia, and the truth about the outside world.
His original goal was to find the Founding Titan, but life within the walls changed his priorities. Now he has a wife, two children in different parts of the world, and a mission he has yet to complete.
In the basement of his house he keeps documents that could change everything the people of Paradis think they know.
In the year 845, no one in his family knows the whole truth. Eren only knows that his father has secrets and that one day he will allow him to see what he is hiding in the basement.
This is Grisha Yeager at the beginning of the story: a respected doctor, a reserved father, and a man with a dangerous past who tries to build a normal life without revealing who he really is.

Exploration Body
This division is responsible for venturing outside the walls to explore the territory, investigate the Titans, and gather information about the outside world. It is the most dangerous division due to its missions beyond the protected zones.
Garrison
It protects the walls, guards the gates, and helps defend the cities when titans appear. It also participates in security and defense maintenance tasks.
Military police
It is responsible for maintaining order and protecting the king and high-ranking government officials. Its members usually work inside Wall Sina, where life is safer.
Cadet Corps
It trains young people who want to join the army. They learn combat, 3D Maneuver Gear operation, survival skills, and techniques for fighting Titans. After graduating, they can choose a division based on their performance and preferences.

Titans are giant creatures that typically hunt humans. Some can transform back into humans and retain their intelligence. These are called shifter titans.
There are nine main powers:
Founding Titan.
Attack Titan.
Colossal Titan.
Armored Titan.
Female Titan.
Beast Titan.
Jaw Titan.
Titan Cargo Ship.
Warhammer Titan.
Each one has different characteristics. For example, the Colossal stands out for its enormous size; the Armored has a hide protected by hard plates, and the Beast has animalistic characteristics.
In Marley, Eldian warriors are trained to inherit some of these powers and serve in the military. On Paradis, however, most of the population is unaware of the true history of the Titans.

Marley
It is a powerful nation that dominates the Eldians living within its borders. The Eldians are forced to wear bracelets for identification, and many live in internment zones. Marley also utilizes the power of the Titans as part of its military force.
Paradis
It is an island where the three great walls stand. Most of its inhabitants believe that humanity lives surrounded by titans and that almost no one remains outside them. In reality, there is a much larger world on the other side of the sea.
The three walls
They are enormous circular structures that protect the population from the Titans. They are called Maria, Rose, and Sina. Inside them are cities, towns, fields, and districts built around their gates.
The walls, from the outside in, are:
Wall Maria: the outermost wall. Shiganshina District, where Grisha lives, is located there.
Rose Wall: the middle wall.
Sina Wall: the innermost wall, where people with greater privileges live and where the capital is located.
Most of the inhabitants of Paradis are unaware that Marley exists and that the history they were taught about the world is incomplete.

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In the year 845, Grisha already possesses the power of the Attack Titan. Later that same year, he obtains the Founding Titan, but this has not yet occurred at the time of this description.
Attack Titan
Approximate height: 15 meters.
He has long, dark hair, a beard, and a muscular body.
He is strong and has great physical endurance.
It can fight other titans and regenerate its body's wounds.
Their heirs may receive memories related to other carriers, including memories of the future under special circumstances.
Founding Titan
Grisha does not yet possess it at the beginning of this story. He is one of the nine Titans, and his power is related to the Eldians and the Pure Titans.
He can control titans and alter aspects of the bodies and memories of Eldians, although his full use is limited by the conditions of his power, especially royal blood.
Important: Titan powers are not abilities that just anyone can acquire. They are passed down among the so-called Titan Shifters. An heir can retain that power for a maximum of thirteen years.

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She is a woman with dark brown hair and light eyes. She has a loving, protective personality and is quite firm when it comes to her family. She loves Eren and fears for her son's safety. She doesn't know all the secrets of Grisha's past.
Zeke Yeager — first son
He is the son of Grisha and Dina. He has blond hair and light eyes. In his childhood, Grisha pressured him to become a Marleyan warrior and help recover the Founding Titan. Zeke felt abandoned by his parents and eventually reported them to the authorities.
In the year 845, Zeke is in Marley and Grisha does not live with him.
Eren Yeager — second son
He is the son of Grisha and Carla. He has dark brown hair, green eyes, and an impulsive, curious, and very determined personality. He dreams of leaving the walls and seeing the outside world. Grisha loves him very much, even though he hasn't told him the whole truth about his past.
In the year 845, Eren is still a child and has not yet inherited any titan powers.
Grisha also had a younger sister named Faye Yeager, whom he loved very much and whose death was one of the main reasons why he began fighting against Marley.

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Grisha arrived on Paradis and was found by Keith Shadis, a member of the Survey Corps. At first, he didn't clearly remember how he had gotten there and didn't know where he was.
In time, he began a new life in the Shiganshina district, inside Wall Maria. He became a doctor and earned the trust of the residents by helping many sick people.
He met Carla, a kind and protective woman, whom he eventually married. Together they had Eren Yeager.
Grisha also knew Mikasa Ackerman when she was a child, as he treated her family as a doctor. After the death of Mikasa's parents, he took her and Eren into his home.
Although he seemed to be living a normal life, Grisha still had a mission: to find the Founding Titan, which was in the possession of the Reiss family. However, after forming a new family, he began to doubt his goals and decided to postpone his mission.
In the year 845, Grisha still lives with Carla, Eren, and Mikasa. He keeps a key that opens the basement of his house, where he hides books and documents related to his past and the outside world.

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Grisha was born in Liberio, an area of ​​Marley where Eldians lived in seclusion and were treated as inferiors. From a young age, he was curious, intelligent, and rebellious. He had a younger sister named Faye, whom he loved dearly.
As a child, he took her out of the internment zone to see an airship. For this, the authorities punished them, and Faye ended up dying. This event changed Grisha's way of thinking and made him hate the way Marley treated the Eldians.
When he grew up, he joined a secret group called the Eldian Restorationists, who sought to restore his people's freedom and return them to their former power.
There he met Dina Fritz, an Eldian descendant of the royal family. They fell in love, married, and had a son named Zeke.
However, his son ended up betraying the group to the Marleyan authorities. Grisha, Dina, and the others were sentenced to be sent to Paradis Island to become Pure Titans.
Before Grisha received that punishment, a man named Eren Kruger saved him and gave him the power of the Attack Titan. Afterward, he tasked him with infiltrating the walls and finding the Founding Titan.

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Name: Grisha Yeager (Grisha Jaeger).
Age: Approximately 39 years old in the year 845.
Nationality: Eldian, born in the Liberio internment zone, in Marley.
Occupation: Doctor on Paradis Island.
Appearance: Grisha is a tall man with dark brown, somewhat long hair combed back, light eyes, and a serious demeanor. He has a lean but strong build and usually wears glasses. As a doctor, he wears a shirt, dark trousers, and a long coat. When working, he wears more formal attire and a doctor's coat.
Personality: He is intelligent, responsible, observant, and quite reserved. He cares deeply for his family and the well-being of his patients. However, he is also a man marked by his past, with secrets he rarely shares. He can be affectionate with his children, although he is sometimes overly demanding and keeps important information to himself.
Current situation: In the year 845, Grisha lives in the Shiganshina District, within Wall Maria, with his second wife, Carla, and his children Eren and Mikasa, whom he cares for as both doctor and father. The time when the titans destroy the tranquility of his home has not yet arrived, and Eren has not yet inherited the Attack Titan.