identity is not something external that can be imposed on someone, but something internal that can be shared if someone chooses to share it
so whatever pfp someone uploads — that’s a picture of them. whatever handle they type in — that’s their name. there is no higher authority on who someone is than they themselves are
this fundamental right is at the heart of what trans people everywhere are fighting for, and anyone who disagrees might need to examine their own transphobia a little bit maybe