Inside Out 2 introduced Pixar's first 2D animated characters in a film with Bloofy and Pouchy, the dog and fanny pack stars of a fictional kids show.

In a world first, they used two-dimensional (2D) materials, which are only an atom thick and retain their properties at that scale, unlike silicon, to develop a computer capable of simple operations.

Despite this increase in the popularity of 3D animation as the primary method of animation, numerous amazing and breathtaking 2D animation stories have still been released during the 21st century.

Chinese animated feature 'Nobody' surges past 1B yuan ($138M) at the box office, becoming the country's top-grossing local 2D ...