Questions about the name...?

1. either. i'm a girl and my name is alex. but i know people of both genders with that name. 2. if you were gonna call them alex, then full name. if you'd call them both, nickname. no one calls me by my full name, so i'd rather be named alex. 3. my full name is alexis and i hate it. alexandra is a little better if youre using a full name. 4. alexander.