Fan Central Current Sketches of Gabi included in theAttack on Titan: Final Manga Exhibitionrevealed that a working name for her wasGabi Lübke(ガビ・リュプケGabi Ryupuke?). References ↑Attack on Titanmanga:Chapter 109(p. 3) ↑2.02.12.2Attack on Titan Character Encyclopedia(p. 120) ...