Mark Zuckerberg, when he’s not testifying before Congress, famously always wears the same t-shirt. He has plenty of them. That way he doesn’t have to think about what he’s going to wear that day, and can focus all his thinking on Facebook. Or so the story goes.
Kevin Smith, the writer/director of movies like Clerks and Chasing Amy, almost always wears a hockey jersey. So that’s what’s on his drivers license.