Joceline Sanschagrin is the bestselling author of Caillou: Potty Time, and other titles such as Caillou Helps Mommy. Eric Sévigny is a graphic artist and the illustrator of numerous Caillou titles, including Caillou: Every Drop Counts, Caillou: Happy Holidays, and Caillou: The Magic of Compost. They both live in Montreal, Quebec.