Watterson did an interview with Mental Floss last year: http://mentalfloss.com/article/53216/mental-floss-exclusive-our-interview-bill-watterson http://mentalf

Watterson did an interview with Mental Floss last year: http://mentalfloss.com/article/53216/mental-floss-exclusive-our-interview-bill-watterson http://mentalfloss.com/article/53216/mental-floss-exclusive-... The complete article is not online unfortunately.