6. George Reeves was best knows as Superman in the hit TV series from the 1950s- Adventures of Superman. He was a truly popular and lovable guy, which made his sudden death even more shocking. George was found dead in 1959, at age 45 and according to the official story, George committed suicide. However, many people claimed that Reeves wouldnt kill himself because he was never suicidal; many people also claimed that he was accidentally shot by his girlfriend, but unfortunately, his death remained an unsolved mystery.