What to do if you cannot see your recent BattleTag name change in-game
Change your Blizzard account email address.
If someone changed the email address on your account, or if you can't remember what it was, we can send you a text to recover your account.
How to change a Character Name in SC2
How to identify Defamatory or Harassing names
Information on how to change the registered Blizzard account holder name
How to change the language settings in your Blizzard games
How to report a StarCraft II character name.
Information about changing the capitalization in your name without changing the name itself