Originally Posted by mineistaken

brassmonkey and blackmonsters:

1. Similar posting style, similar topics and issues they raise.
2. Both usually post anti-logically when making arguments, sometimes up to amazing stupidity levels. Again - in a similar way.
3. Similar nicks
4. "Tanned for life" and "so fucking banned" - correlation here as well.
5. Both report posts at similar pace (confirmed by Sly in this thread).

That is not enough to draw a final conclusion, but more than enough to raise question of them being the same person.