| 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.
Mrs. Arlert was the mother of Armin Arlert.
Mrs. Arlert appeared to be a very courageous woman, willing to risk her own life in order to escape beyond the Walls. The fact that she and her husband were able to design a hot air balloon that would carry them beyond the Walls indicates that she was a remarkably intelligent woman.
- Mrs. Arlert's design was debuted in the Attack on Titan Character Encyclopedia.