Unlike many cartoon children, Satsuki and Mei are neither smart-alecky nor cloyingly saccharine. They are credible kids: bright, energetic, silly, helpful, and occasionally impatient. Filmmaker Hayao Miyazaki makes the viewer believe the two sisters love each other in a way no American feature has ever achieved. My Neighbor Totoro is enormously popular in Japan, and some of the character merchandise has begun to appear in America. The film has also inspired a Japanese environmental group to buy a Totoro Forest preserve in the Saitama Prefecture, where Miyazaki's film is set. --Charles Solomon