@Override
 public void runCommand(CommandSender sender, List<String> args) {
   String name = args.remove(0);
   ChatPlayer player = plugin.getPlayerManager().getPlayer(name);
   if (player == null) {
     sender.sendMessage("The player '" + name + "' does not exist.");
     return;
   }
   if (args.size() == 0) {
     player.setSuffix(null);
     sender.sendMessage(player.getName() + "'s suffix has been reset.");
     return;
   }
   StringBuilder suffix = new StringBuilder(args.remove(0));
   for (String arg : args) {
     suffix.append(" ").append(arg);
   }
   player.setSuffix(suffix.toString());
   sender.sendMessage(player.getName() + "'s suffix has been set to '" + suffix + "'");
 }