Dead Friends is a morbidly charming short about a dog who makes friends with a zombie in a post-apocalyptic setting. The short was created by created by Changsik Lee, and it turned out quite enjoyable. Here's the synopsis:
Decades after a mysterious incurable zombie virus spreads throughout the world mankind is in danger of going extinct. Among the infected there is an old zombie and a dog that remains loyal to his master and hopes he will become human again one day.