Looks like Nemo has spawned. Multiplexes—and toy stores, and Happy Meals—are preparing for the autumn onslaught of Michael Moore marionettes, a Martin Scorsese puffer fish, and more Pixar playmates.

Usually, you can get away with an inanimate object -- a plush doll or plastic action figure. If you're really lucky, a fast food meal with a prize will suffice. But go see "Finding Nemo,'' the popular ...