KUALA LUMPUR (Nov 7): Former prime minister Datuk Seri Najib Razak was referred to as Transformers main character “Optimus Prime” or “OP” in BlackBerry Messenger (BBM) chats between fugitive financier Low Taek Jho or Jho Low and former AmBank relationship manager Joanna Yu Ging Ping in 2014 — where they were discussing Najib’s AmBank accounts.