Ancient Cybertronian
Ancient Cybertronian is a language.
Fiction
Generation 1 cartoon continuity
The Transformers cartoon
The controls of the Plasma Energy Chamber were labeled in "Ancient Cybertronian", which Spike Witwicky did not recognize but Cerebros was able to read. The Rebirth, Part 1
Wings Universe
In their search for the immortal spark of the infamous Decepticon Starscream, the Star Seekers traveled to a planetoid rendered nearly inaccessible by the numerous nearby black holes. On the planetoid was a stronghold with a wall inscribed with Ancient Cybertronian runes: "Beyond this wall is to know treachery. Beyond this wall is to know betrayal. Beyond this wall is to know immortality." Behind the wall was a deceased Quintesson whose body, as it later transpired, was being inhabited by Starscream's immortal spark. Tornado - Decepticon Saboteur
IDW Beast Wars comics
Rhino often spoke spells in ancient Cybertronian to magically increase his abilities. Beast Wars Sourcebook #3
Cybertron comic
Ancient Cybertronian was the language spoken in the Thirteen's time. As such, Vector Prime was able to identify it when Skyfall muttered it in his coma. Revelations Part 1
