Account locked?

[BirdOPrey5]

They are hitting people who haven't logged in for 7 years... so it's not who's online. It was either a copy of the member's list (made before the attack) or a spider that just crawled the site and captured all the usernames. They would need to sort them anyway to prevent duplicates so it makes sense they are in alphabetical order.

They seem to have skipped accounts that start with a special character, like !username, so I'm not convinced they used the member's list as those names are on top.