" " Elon Musk speaks onstage at Elon Musk Answers Your Questions! Chris Saucedo/Getty Images for SXSWIf there's such a thing as a real-life Batman or Iron Man, it could be Elon Musk. AdvertisementAdvertisementBut grad school wasn't really Musk's thing. Robert Downey Jr. has said he based his "Iron Man" movie character Tony Stark on Musk [source: Hern]. Here are 10 fascinating facts about this mortal manifestation of Iron Man.