Blizzard or game account hacked or compromised.
Changing language settings for game and/or communications from Blizzard
How to move a game account to a different Blizzard account
How to consolidate multiple Blizzard accounts into a single account.
How to move a StarCraft II account off a Blizzard account
How to update your date of birth for your Blizzard account information
If you forgot your Blizzard account email, you can use SMS Protect to find your account.
Playing Blizzard games on more than one platform.
Change your Blizzard account email address.
StarCraft II name change is not working correctly.