Its an enderman in a creeper-chicken dress. How to do this: 1. Build 5 blocks high, 2. build 3 more blocks high, 3.destroy the first 2 blocks of the 3 you had just created, 4. destroy the bottom 4, 5. spawn eggs, and alot of clicks = MOB MADNESS! note: if you want an enderman, it needs to be 1 block higher.