Attack on Titan Wiki
Attack on Titan Wiki
Smiling Titan (Anime) character image.png The subject of this article has no official name.
It is a fan-given name as substitute for lack thereof, and should not be considered as part of the Attack on Titan universe.

Grandfather Arlert was the paternal grandfather of Armin Arlert. After the fall of Wall Maria, he died at the hands of the Titans.[1]


Before the fall of Wall Maria, Armin's grandfather possessed a book containing illegal information about the world beyond the Walls. He gave this book to his grandson, Armin Arlert, who showed it to his best friend Eren, kindling his desire to see the outside world.[2]


104th Training Corps arc

During his intimidation, or "rite of passage," from Keith Shadis, Armin states his name and is insulted by the instructor for it. When Shadis asks him if his parents gave him the name Armin replies that it was given to him by his grandfather.[3]

Royal Government arc

Lamenting over his father's theft of the Founding Titan, Eren names Armin's grandfather among the many lives who could have been saved if his father did not interfere with the Reiss family.[1]