You can use any name you want (DBO)

by Blackt1g3r @, Login is from an untrusted domain in MN, Tuesday, August 29, 2017, 17:53 (2428 days ago) @ ZackDark

Everyone just gets a random number assigned to the end for uniqueness. In your friend list you don't see the numbers. It's nice because you don't have to care if someone else uses the battle tag that you chose.

Complete thread:

 RSS Feed of thread