Changing language settings for game and/or communications from Blizzard
Unable to move a character to a different Blizzard account
How to move a game account to a different Blizzard account
Information on World of Warcraft names
How to correct an email mistake when creating or updating your Blizzard account
A BattleTag™ is a player-chosen nickname that identifies your Blizzard account
How to consolidate multiple Blizzard accounts into a single account.
Troubleshooting steps for the error: "account_not_trusted_write_locked"
Information regarding the legality of sharing an account.
What to do if you are unable to edit a billing profile.