Inspired by Crane's
in-laws, Opal Pickles also wears glasses and is often seen wearing purple polka-dotted dresses and white sneakers. She is "a devoted wife, mother, grandmother,
Red Hat Lady and cat servant." Nelson Wolfe; Nelson's mother and stepfather their daughter, Sylvia, and her husband, Dan, a
wildlife photographer; Roscoe and Muffin are depicted with thought balloons (like
Snoopy or
Garfield) to express their personal views whenever they observe the daily routines of their humans or other incidents. In the foreword to one of Crane's
Pickles books,
Charles Schulz, creator of the
Peanuts comic, stated, "I think it would be very comforting to have Earl and Opal for neighbors." ==Awards and honors==