You can cheat with an action replay.
How To Change Trainer's Name In Pokemon Platinum?
You can't unless you start a new game. .
You can change your name if you start a new game or do a action replay
No you can't. Unless you start a new game.
Step 1: Get an action replay
Step 2: Got to pokes-av.com and download the pokesav platinum tool
Step 3: Check search engines for more info on changing name
Step 2: Got to pokes-av.com and download the pokesav platinum tool
Step 3: Check search engines for more info on changing name