No, it's a bit clear that it isn't an exploit. Even though it could be used to talk about hacks or cheats behind everyone's back, these people are just normal SM players. Cyclops is a player that spams " . " or dot, BOSS is an average arena chat player, which means you get to see him basically almost every day, and TGOY (short for The Ghost Of Your) is a player I've met during rank climbing.