1. Wasps
   Titans
2. Snakes
   Gods

The titans appeared over a century before the start of the series. They have nearly knocked out the human population.

1. A River
   Thick Forrest
2. The Ocean
   Walls

Humans built walls to protect themselves from the Titans. There are three walls in total.

1. Wall Maria
   Wall Rose
2. Wall Sheena
   Wall Titan

Wall Maria stands 50 meters in height. The Wall was breached five years before the current events in the series.

1. Scout Regiment
   Garrison Regiment
2. Military Police Brigade
   Secret Service

The Military Police Brigade is a corrupt police force. Not only do they protect the Royal Family, but they also maintain order inside the walls.

1. Father
   Mother
2. Brother
   Sister

When the Colossal Titan knocks a hole in Wall Maria, Eren's mother is a casualty in the aftermath. Eren is dragged away by a member of the Garrison as his mother is pulled from their house and devoured.

1. Wall Sheena
   Wall Titan
2. Wall Rose
   Wall Utopia

When Wall Maria was breached, the residents were forced to retreat inside Wall Rose. However, five years later, Wall Rose was also breached.

1. Wall Utopia
   Wall Titan
2. Wall Paradis
   Wall Sheena

Wall Sheena protects the king and the royal family, along with many citizens. Inside, the wall is protected by the military police force.

1. Annie Leonhart
   Sasha Braus
2. Hange Zoe
   Mikasa Ackerman

Mikasa's parents were killed when she was a young girl. With no place to go, Eren told her she would come home with him and his father.

1. Eren
   Armin
2. Mikasa
   Annie

Some humans have the ability to transform into Titans. This was unknown until Eren made his transformation, putting both fear and hope into those inside the walls.

1. Trost
   Shiganshina
2. Calaneth
   Utopia

Eren is from the Shiganshina district. He was forced to leave when the Titans broke through.

1. Eren
   Armin
2. Mikasa
   Annie

Mikasa is able to quickly master the skills necessary to combat the Titans. Keith Sadies believes she is the most valuable trainee under his command.

1. Soldier
   Politician
2. Doctor
   Lawyer

Grisha Yeager was married twice. His first wife, Dina, killed Eren's mother when he was young.

1. Scout Regiment
   Garrison Regiment
2. Titan Hunters
   Military Police Brigade

The Scout Regiment is made up of the best soldiers from inside the walls. Still, they have the highest mortality rate of all the branches.

1. Grappling Equipment
   Jumping Device
2. Combat Traveling Gear
   3D Maneuver Gear

Vertical Maneuvering Equipment allows soldiers to combat Titans by jumping around between buildings and trees. The problem with the equipment is that it doesn't work on flat ground.

1. Eren
   Mikasa
2. Levi
   Marco

When Eren gets angry during his trial, Levi jumps in and beats Eren to a bloody pulp. Levi's intention is to show everyone that he is capable of handling Eren despite Eren having Titan abilities.

1. Mikasa
   Annie
2. Dina
   Sasha

Annie is one of the best soldiers in the 104th Cadet Corps. She first appears as the Female Titan during the 57th Exterior Scouting Mission.

1. Scout Regiment
   Garrison Regiment
2. Wall Defense Force
   Military Police Brigade

The Garrison Brigade is the largest of the three divisions. They are in charge of maintaining and protecting the wall.

1. Levi
   Erwin Smith
2. Mikasa
   Jean Kirschtein

Before Levi joined the Scout Regiment, he was a criminal inside the walls. Erwin convinces Levi to join.

1. Armin Arlert
   Jean Kirschtein
2. Sasha Braus
   Reiner Braun

Armen isn't known for his physical strength and abilities. However, he makes up for it with his brain.

1. Keith Shadis
   Marco Bodt
2. Grisha Yeager
   Conny Springer

Eren believes that knowledge of the Titans lies in the basement of his childhood home. He thinks this because his father gave him a key to the basement and told him answers were inside.

1. Armored Titan
   Colossal Titan
2. Beast Titan
   Attack Titan

After the breach in Wall Maria, Eren lived for five years without knowing he was the Attack Titan. After being eaten by a Titan, Eren transformed and started attacking the Titans around him.

1. Scout Regiment
   Garrison Regiment
2. Military Police Brigade
   None

Mikasa saves Eren multiple times throughout the series. In fact, she joins the Scout Regiment to keep an eye on him.

1. Escapes
   Gives Out Information
2. Crystallizes
   Kills Herself

To capture Annie, Eren and his friends try to lead her underground so she can't transform. However, she discovers their strategy, and Eren is forced to fight her in Titan form.

1. Armin
   Eren
2. Mikasa
   Levi

Armin noticed that Annie used someone else's gear when everyone was investigated for the death of two captured Titans. When he discovers there is another Titan shifter, Annie becomes his first suspect.

1. Levi
   Dot Pyxis
2. Erwin Smith
   Keith Shadis

Keith was once the commander of the Scout Regiment. He is a harsh commander who demands everyone's top performance.

1. Eren
   Armin
2. Reiner Braun
   Annie

Armin is not looked down upon when he doesn't make the top ten in his class. This is because his analytical skills exceed everyone else's​.

1. Eren
   Armin
2. Annie
   Levi

Although a capable fighter, Eren is not considered the strongest soldier. However, he has a will to succeed that pushes him beyond his limits.

1. Garrison Regiment
   Military Police Regiment
2. 105th Cadet Corps
   He's retired

After the military discovers that Eren is a Titan, they decide to kill him. However, Dot Pyxis intervenes and stops them.

1. Joe
   John
2. Macho
   Bean

Bean and Sonny were two Titans captured by the humans when Wall Rose was sealed. They were both Killed by Annie before they could be fully investigated.

1. Keith Sadies
   Nicholas Lovof
2. Dhalis Zachary
   Ian Dietrich

Zachary is in charge of Eren's trial. He must decide if Eren will join the Scout Regiment or be killed.

1. Nick
   Joe
2. Jean
   Marco

Minister Nick is a member of the Church of Walls. They worship the walls that surround humanity.

1. Mikasa
   Ian Dietrich
2. Levi
   Erwin Smith

Ian is one of the first people to recognize Mikasa's skills as a fighter. When Mikasa threatens to sacrifice her life for Eren, Ian says that would be a great loss.

1. Scout Regiment
   Military Police Regiment
2. Garrison Regiment
   Special Forces

During Eren''s trial, Erwin Smith offers to bring him along with the Scout Regiment. If Eren disobeys, he says Levi will kill him.

1. Bertholdt Hoover
   Historia Reiss
2. Thomas Wagner
   Nile Dawk

Nile Dawk believes Eren is useful in his Titan form. However, he still thinks Eren should be killed since there is a Civil War brewing.

1. Scout Regiment
   Military Police Regiment
2. Garrison Regiment
   All of them

The Military Police Regiment are the last line of defense against the Titans. However, that also means they have little to no encounters with the Titans.