I have a pen friend and her name is Anna.改为同义句可不可以改成

I have a pen friend and her name is Anna.改为同义句可不可以改成
I have a pen friend whose name is Anna.
I have a pen friend and she is called Anna.
I have a pen friend who is called Anna.
Anna is a pen friend of mine.
A pen friend of mine is Anna.
Anna is one of my pen friends.

改为I have a pen friend and she is called Anna.

I have a pen pal and she is called Anna.
笔友是pen pal, be called 用被动

I have a pen friend and she is Anna.
建议这样改合适些，her name is Anna和she is Anna，是两种介绍人物的句型。