Yep. By Blizzard. You should read the EULA:
You hereby grant Blizzard a perpetual, irrevocable, worldwide, fully paid up, non-exclusive, sub-licensable, right and license to exploit the User Content and all elements thereof, in any and all media, formats and forms, known now or hereafter devised.
Blizzard shall have the unlimited right to copy, reproduce, fix, modify, adapt, translate, reformat, prepare derivatives, add to and delete from, rearrange and transpose, manufacture, publish, distribute, sell, license, sublicense, transfer, rent, lease, transmit, publicly display, publicly perform, provide access to, broadcast, and practice the User Content as well as all modified and derivative works thereof and any and all elements contained therein, and use or incorporate a portion or portions of the User Content or the elements thereof in conjunction with or into any other material.
In the event you upload or otherwise transmit to Blizzard any concepts, ideas, or feedback relating to the Platform, you shall not be entitled to any compensation for any such submission, unless expressly agreed between you and Blizzard, and Blizzard may freely use any such submission in any manner it deems appropriate.
Any such submission by you shall not create any contractual relationship between you and Blizzard. Except to the extent that any such waiver is prohibited by law, you hereby waive the benefit of any provision of law known as “moral rights” or “droit moral” or any similar law in any country of the world.
You represent and warrant that the User Content does not infringe upon the copyright, trademark, patent, trade secret or other intellectual property rights of any third party.
