Overall, the fanbook is the best source for this character's gender being non-binary. Since they're so old, gender is ...

Let's delve into five anime characters whose LGBTQ+ identities ... Despite external perceptions, Hange identifies as non-binary, challenging stereotypes with a blend of masculine and feminine ...

says Delia Harrington Whether a character is genderqueer, agender or bigender, if they also identify as transgender or not, audiences can see more non-binary characters on the small screen than ...