Though he began as a bouncer, Cancer celebrity Vin Diesel has become a Hollywood multi-hyphenate as an actor, producer, director and screenwriter on movies from Saving Private Ryan to The Chronicles of Riddick and The Fast and the Furious series.
But he doesn't just stop there. True to his "Diesel" nickname, given to him for his non-stop energy, Vin has also supported the Dominican Republic's president in campaign ads, and written the forward to a book about Dungeons & Dragons.
Using your own energy to achieve half as much would make you very successful indeed!