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| 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.
The Walls writing is the unofficial name given to one of the two known writings existent in the universe of the Attack on Titan manga, along with the unknown writing on the herring can. It is the writing used by the inhabitants of the Walls, appearing on a variety of items, as well as in the inside covers of the manga.
The Walls writing seems to be the official and possibly only writing used by the inhabitants of the Walls, since all known objects with text printed on them are written in this language; with the only exception of some extraneous items labeled in an unknown writing found in Utgard Castle. The writing is composed by short, straight strokes and sharp corners, and written horizontally. Nothing else is known about this script.
- The sign of a toolshop.
- A signboard next to the boulder used to seal the gate in Trost District.
- A signboard of the tavern where Levi and Kenny were fighting.
- A book that Frieda was reading to Historia.
- A newspaper that Armin was reading.
- Bottles of Titan serum.
- At first glance, the Walls writing may look like unintelligible gibberish, although it is actually Japanese katakana turned upside down and messily written to make it difficult to read. By turning the text 180 degrees and some effort in the interpretation of the characters, the writing can be directly translated to Japanese.
- The texts seen in the newspaper Armin was reading and the book Frieda was reading to Historia are easter eggs added by Hajime Isayama's assistants which have nothing to do with the context of the story.
- The inside covers of all manga volumes include pieces of Walls writing revealing part of the lost history of humanity.
- Ilse Langnar's notebook is also written in Japanese katakana turned upside down; as well as the word Eren wrote while in Titan form during Hange Zoë's experiments. However, unlike the rest of instances of Walls writing, these texts are written right to left, in a style that resembles that of the unknown writing on the herring can.