public static byte[] renameFamiliar(MonsterFamiliar mf) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.writeShort(SendPacketOpcode.RENAME_FAMILIAR.getValue());
        mplew.writeInt(mf.getCharacterId());
        mplew.write(0);
        mplew.writeInt(mf.getFamiliar());
        mplew.writeMapleAsciiString(mf.getName());

        return mplew.getPacket();
    }