1.) In order to give Dash a realistic out-of-breath voice in "The Incredibles," director Brad Bird made actor Spencer Fox run laps around the studio.4
2.) Every Friday during the production of “Brave,” each Pixar employee was told to wear a kilt for the fun of it.
3.) Shortly after completing Toy Story, the Pixar chief creative staff of John Lasseter, Peter Docter, Joe Ranft and Andrew Stanton got together for a lunch meeting at the Hidden City Café in 1994 that would become one of the most defining moments in the studio’s history. By the end of the hour long meeting, they came up with the ideas for the plots and basic characters for A Bug’s Life, Monsters Inc., Finding Nemo and WALL-E.
4.) Billy Crystal was originally offered the opportunity to voice Buzz Lightyear but declined, stating later that it was the biggest regret of his career. After Pixar heard that he'd said that, they offered him the role of Mike in Monsters, Inc.
5.) Kevin from Up is based on the Himalayan Monal pheasant, a bird found in western China.
6.) Pixar was worried that people would not know how to say Ratatouille, so all the logos on the promotional posters also had the pronunciation as “rat-a-too-ee” underneath the title.
7.) The scooter Skinner uses to pursue Remy in Ratatouille is seen in the garbage on Earth in WALL-E.
8.) The story of the film is based on the Aesop's fable The Ant and the Grasshopper. The moral of the short story was “It is best to prepare for the days of necessity.”
9.) Buzz Lightyear was originally given the name Lunar Larry.
10.) Originally, 80% of Brave was going to take place in the snow and for years Pixar was working to make it look just right. However, it apparently wasn’t working and when Mark Andrews took over as director he decided the snow was out.
11.) During the introductory race in “Cars,” there is a race car with the Apple logo on it.
12.) Video Brinquedo, a Brazilian animation studio, has made several movies that rip off