Joseph Baena knows how much of a doppelganger of his dad, Arnold Schwarzenegger, that he is, after uploading a series of new photos showing off his bodybuilding progress. The 26-year-old real estate agent struck several poses made famous by the Terminator star, 76, when he was at the height of his career in the 70s and 80s.Competing with myself to be better everyday! , Baena captioned the shirtless Just days ago before flaunting his very toned upper body, the fitness model revealed he visited his dads museum in Graz, Austria.Its not a trip to Austria without visiting the @arnoldschwarzeneggermuseum right? he captioned the post last week.Schwarzenegger secretly became a father to Joseph after having an affair with the familys housekeeper, Mildred Baena.The seven-time Mr. Olympia winner was married to Maria Shriver at the time, and welcomed his son with Mildred just five days after Shriver gave birth to the couples youngest son, Christopher. The post Arnold Schwarzenegger’s son recreates old bodybuilding poses of the legendary actor (photos) appeared first on Linda Ikeji Blog.