The other day me and my friend where playing on the Respawn Network Server when we ran into Fennoman, Docm77, Xisuma & Panda4994! We had played GoldRunner & Hunger Games and in both my friend Mick_the_mine  https://www.youtube.com/user/Deathbornd/featured  had killed both :) (Granted hes a hacker :D But hes great at it :p)
Altogether I was wondering in there are any other severs that Famous Youtubers play on so me and Mick can make more videos of killing them :D