You can make a pretty solid case that Don Hertzfeldt is the most successful independent filmmaker of the 21 st century. Not because he’s topped the box office or made a killing—although in an hourlong conversation, he more than once used the word lucrative to describe his work—but because nearly 30 years after his animated stick-figure shorts started to attract attention, he’s still making them and showing them to sellout crowds all over the world. Even more impressively, he’s done it without