Soul (coming to Disney+ on Christmas Day) is the kind of Pixar movie that could have only sprung from the mind of Pete Docter. Docter started at Pixar after graduating college, in 1990 at the age of 21. He went on to contribute to the studio’s pioneering short films and initial features like Toy Story, and made the leap to director with 2001’s Monsters, Inc. (a film that lost the inaugural Best Animated Feature Oscar to, ugh, Shrek). Since then, his projects have always stood out from the crowd – he came up with the initial concept for WALL•…