Director Mark Simon drew the storyboards for Creepers four times, making it funnier each time. He pitched the short many times to get a feel for where the humor worked and where it didn't. His audience ranged from studio executives to his 7 year old twins.

Below is a short sample of those boards.

For more information on storyboards, check out Mark Simon's book, Storyboards: Motion In Art, 3rd edition at your local bookstore or on Amazon.