oohhhh right, nobody at Alexandria knows who she is. She was out on her own and she ended up getting into a mess and getting her ankle broken. Someone at Alexandria found her and brought her back and she just never told them who she was. But it would be something to use in that direction? She'll use the nickname only when she has nothing else to say, heh.
As long as Bruce is willing to put in the time .... cause it might be awhile before the crown gets passed on unfortunately for them.