The hoax or fake-news below, which claims that Michael Sylvester Gardenzio Stallone, an American actor, and director, has died from prostate cancer, is another celebrity death hoax. This is why online users should always use popular and reputable news websites as your source of information. Sylvester "Rambo" Stallone, best known for portraying boxer Rocky Balboa and soldier John Rambo, is NOT DEAD. "Please ignore the stupidity," the 71-year-old actor shared Monday. "Alive and well and happy and healthy...Still punching!"