Since this thread is so popular on the WoT EU forums and there are more and more testers joining who are not actively on the forums it might be time to start this one up here as well.
I'll start off: Was in a battle with Jingles (the one and only) tonight, he was in his Kuma and I was in my Phoenix. We had a pretty intense engagement with the enemy on the right flank after which I was severely crippled and Jingles unfortunately sunk.
One enemy was raging in the chat and got reported to support by Jingles with screenshots which kicked off a nice discussion (truly) between both teams in the chat. Unfortunately the match ended pretty quickly.
Haven't seen Jingles in WoT in all the time that I've been playing so it was nice running into him.
Cobra 6
It exists already. Or rather, it did. Called "Forumites", created by Sturmtiger_304, pw: play4fun, used to be very popular place among forumites. To keep the story short; the channel started to die late 2016 when clans became officially a thing, and apparently took it's last breaths around spring 2017. So such channel existed and died.
If you want something similar, then there is this "The Scrub Community", open for all channel that kinda continues the tradition of the old Forumites channel. No password, just be sure to enter the channel name exactly as shown, as the ingame search function is of good quality komrade.