Joseph Gordon-Levitt announced the death of his older brother Dan on Twitter Tuesday, saying "My super hero brother @burningdan 1974-2010." Known as "Burning Dan," Dan Gordon-Levitt, 36, was a fire-spinning artist who taught at Flow Temple Arts School in Venice Beach, California. The Inception star later wrote on his website, "BURNING dAN brightly embodied that bold beastly bliss sometimes referred to as 'the creative spirit.' He would absolutely positively insist that we not let this bad news deter us on our collective mission." The cause of death has not been released.