Peter Debruge Chief Film Critic On Oscar night, “Guillermo del Toro’s Pinocchio” will almost certainly win the Academy Award for feature animation. For many of those following along at home, it will look as though the director of “Pan’s Labyrinth” and “The Shape of Water” is being rewarded for some kind of secondary passion, as if del Toro had scaled Everest and then set his sights on a smaller peak on which to plant his flag. But that’s not how it happened at all. Way back in Mexico, del Toro started his filmmaking career doing animated shorts: Obsessed with Ray Harryhausen, the amateur future auteur built rudimentary armatures, painstakingly repositioning the puppets one frame at a time. Decades later, once established in Hollywood, del Toro accepted a side gig at DreamWorks Animation, serving as a story consultant on films such as “Megamind” and “Kung Fu Panda 2” as a pretext for teaching himself the trade. With “Pinocchio,” he put those lessons to work on a stop-motion passion project that’s every bit as challenging as his most impressive films.