Zeke Yeager

The Beast Titan (獣の巨人) is a Titan Shifter that was first seen within Wall Rose during its supposed breach.

Human Form
In his human form, he has a well toned body, shaggy blonde hair and a matching moustache that transcends down into his beard. He was seen wearing no shirt, loose pants, combat boots, and circular glasses.

Titan Form
In his Titan form, he is an extremely unusual specimen, having a distinct, ape-like appearance. His body structure and facial features are like that of a human's, he walks upright like one also. He stands at a previously unseen 17 meters in height. Dark fur covers the large majority of his body, with the exception of his face, hands, feet, and torso. His arms are also elongated, with long fingers and fully-functional thumbs. The proportions of his upper body are similar to that of the Colossal Titan, possessing a massive chest and small head, as well as unusually slim arms.

Clash of the Titans arc
The Beast Titan makes his first appearance when Titans are mysteriously appearing within Wall Rose even though the Wall remains intact. He is encountered by Mike Zacharius, who instantly notes the strangeness of his characteristics. He then displays an unexpected behavior when he grabs Mike's horse and launches it at him, preventing his escape and throwing him from the roof he was on.

After Mike falls to the mouth of a Titan, the Beast Titan speaks, ordering the other Titans to not eat him so that he can question Mike about the 3D Maneuver Gear. However, the Titan disobeys him and the Beast Titan crushes its head to release Mike.

The Beast Titan then proceeds to interrogate Mike, but as he neglects to respond out of shock, he theorizes that Mike does not speak due to them not speaking the same language, or Mike being too afraid. After inspecting the gear, he allows the surrounding Titans to devour Mike. As Mike screams in horror, the Beast Titan is amused to see that they did actually speak the same language after all.

He next appears walking past Castle Utgard, seemingly ignoring those taking refuge within. Instead, he uses his incredible strength to scale Wall Rose and then disappears.

As the soldiers manage to fend off an attack, he suddenly turns his attention towards them. He begins to break off chunks of the Wall, hurling them long distances at the members of the Survey Corps trapped in Castle Utgard. The first shot kills their horses, and the second kills Lynne and Henning.

He then howls, summoning more Titans to continue the assault on the castle. Nanaba angrily notes that he seems to be intentionally toying with them. Afterwards, he climbs over the Wall and disappears into the lost territory of Wall Maria.

When Ymir and Eren are kidnapped by Reiner Braun and Bertolt Hoover, Ymir states that the Beast Titan is directly responsible for the appearance of Titans within Wall Rose; possibly in order to "test" humanity's strength. She also notes that the reaction of Reiner and Bertolt to his appearance resembled gawking, excited children. She theorizes that locating him must be one of their primary goals and that it is key for them to return to their village.

The Uprising arc
In the aftermath of Eren's failed kidnapping, an investigation is performed at the village of Ragako. The investigation confirms the suspicion that the villagers had been transformed into Titans, though the methods employed by the Beast Titan remain undisclosed.

Two months after Historia Reiss is crowned queen, the Beast Titan is shown in Shiganshina District defeating the Armored Titan in battle. While Bertolt takes out Reiner's body from his Titan form, the human within the Beast Titan emerges from his Titan body, telling Bertolt to worry about Reiner later. He then reveals his plan to ambush the Survey Corps in Shiganshina with their help in order to capture Eren and steal the Coordinate, their top priority.

Abilities
Unlike other Titan Shifters, he is able to fluently speak without issue in his Titan form, casually talking to other Titans and even giving them orders. He possesses great physical strength, sufficient enough to pick up a horse or even break off large chunks from Wall Rose and hurl them at a great distance away. He also seems very skilful because it managed to retrieve Mike's Three Dimensional Maneuver Gear without damaging him or the gear.

He is revealed to possess some unknown means to transform humans into Titans. These Titans, unlike the regular Titans encountered, were capable of functioning at night. As many houses showed signs of the transformations taking place indoors, it does not appear that immediate physical contact is required to cause a transformation.

He seems to be a very formidable fighter, since he was able to defeat the Armored Titan and inflict him considerable damage without sustaining any visible injury.

People Killed

 * Mike Zacharius
 * Henning
 * Lynne

Trivia

 * Isayama draws mystery man.png Beast Titan's appearance resembles several, such as the Sasquatch/Bigfoot, Yeti, and Yowie.
 * He appears to have had limited or no contact with the humans inside the Walls for a long time, as he expresses interest in humanity's 3D Maneuver Gear. He also wonders whether or not he speaks the same language as Mike.
 * He ranks 3rd on the Titan Popularity Poll.
 * He makes an appearance in Attack on Titan: The Last Wings of Mankind.
 * Hajime Isayama has unofficially displayed a "mysterious character" in Japan, which resembles the Beast Titan's human identity.
 * He is the only human/Titan Shifter seen so far whom regular Titans do not attempt to attack.
 * The Beast Titan is described as being the most powerful of all titans in the series.

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