The World Boxing Union, Inc. (WBU) was a professional boxing sanctioning body based in London,UK long time ago. After all boxing sanctioning contracts were fulfilled, the UK company became dormant and eventually was dissolved. The "WBU" brand was featured in the movie "The Fighter" starring Mark Wahlberg. The previous incarnation WBU company of WBU titles were recognized in Europe. The former UK WBU titles have been held by Ricky Hatton, George Foreman, Thomas Hearns, Baby Jake Matlala, James Toney, Johnny Nelson and Micky Ward (on whom the movie "The Fighter" is based).