Born in 1973, Ralf Chiu is an actor. By coincidence, he was selected as the main actor for the commercials of PX Mart and signed a long-term contract. For his indifferent expression, serious attitude, and quiet performance, he unexpectedly drawn the attention of the public and became an instant hit with the nickname "Mr. PX Mart." He also acted in movies such as You Are the Apple of My Eye, As We Like It, The Sadness and Treat or Trick, mostly in cameo roles.