When you develop an entire feature length film from scratch the challenge is developing an entire feature length film from scratch! - the world and all of it's characters need to be created. There is no story/plot - all you have is a blank sheet of paper.
Nathan GrenoThe supporting characters typically carry less story/plot weight - so you can be more broad and pushed with them. Supporting characters also take up less of the film's screen time. A short is a great opportunity for supporting characters to shine.
Nathan GrenoAnimation story boarding works differently than live action story boarding. The story crew along with a writer really does shape and create the film - the world and it's characters. We meet almost every day and brainstorm the plot of the film. It's a highly collaborative process - and we continue to improve the story until we literally run out of time.
Nathan Greno