I used to go on theones lava survival a while back (not very often but sometimes) and the first (AND ONLY) person I remember from there is theonesin. I remember thinking he was the owner and I also remember him saying he was 23 xD
For blocktopia, I think ColorWar, or at least I heard someone say his name. I also heard someone say someone's name "eva" but I don't know who that was. I also, for some strange reason, remember the name "gamer49psd" or something like that. Probably because it was similar to my own. :3