 Watterson later stated in "The Calvin and Hobbes Tenth Anniversary Book" that he liked the fact that his strip was a "low-tech, one-man operation," and that he took great pride in the fact that he drew every line and wrote every word on his own.Calls from major Hollywood figures interested in an adaptation of his work, including Jim Henson, George Lucas and Steven Spielberg were never returned and in a 2013 interview Watterson stated that he had "zero interest" in an animated adaptation as there was really no upside for him in doing so.The strip borrows several elements and themes from three major influences