Big Buck Bunny is a 3D Animation created by the Blender Foundation. It’s a really colourful and humorous video, which can be watched at the end of this post.
“Big Buck Bunny tells the story of a giant rabbit with a heart bigger than himself. When one sunny day three rodents rudely harass him, something snaps… and the rabbit ain’t no bunny anymore! In the typical cartoon tradition he prepares the nasty rodents a comical revenge.”