Joseph Gordon-Levitt announced the death of his older brother Dan (a.k.a “Burning Dan”), and today, it’s being reported that the cause of death may have been a drug overdose.

500 Days of Summer star, Joseph Gordon-Levitt, went on Twitter this past Tuesday to announce the passing of his older brother, Dan Gordon-Levitt. "My brother is 'my super hero' and he embodied something that most people don't have, a creative and free spirit," tweeted Joseph Gordon-Levitt.

36-year old Dan Gordon-Levitt was found dead in his Hollywood home early Monday morning. *First Class Fashionista is Copyright Protected.