I didn’t get a chance to answer this when I read it. It matters to me. It should matter to everyone here. It’s appropriate to put a name with a face. Everyone should be called by their given name, be it real or fake.
I have a thing about names. It’s just polite and courteous to call someone by the name they were given, or the nickname they choose to go by.
Most people wouldn’t appreciate being called a name they were not given. Most probably wouldn’t even answer to it, unless they recognized the voice or the face it was emanating from. If I walked up to you and called you JJ if your name was Peter Robert, that probably wouldn’t sit very well with you.