Toribash
Scroll down. At the bottom there is a list of all online players.

Also:
http://forum.toribash.com/member.php?username=
Then that should show you
She/They

Yeah, I only don't like erthtkv2 because of the mod's name. Make it "tkv2," and the mod will instantly become more popular. This is a valid reason as the name of the mod is still an important feature that no one seems to have yet discussed.