If a Shadow Gem manages to finda Void Crystal and evolve into a Void Gem, it gains tons of power. Void Gems can turn invisible, fly, hit you from far away, spawn minions to help it, and even bend every element to it's will. Make it angry, and you'll find yourself with no less than the most dangerous thing in the universe, second only to Flamedude, the Gem who can control every element without evolving.
The masters of sneaking, fighting, and psychic abilities.
The Christmas variant.
Just when you thought Spy Chickens were bad enough, they were corrupted by the Endermen. There's nowhere to run, nowhere to hide. The Ender Chicken will always find you...
A Creeper, corrupted to look like the Endermen. Advanced shading.
Corrupted by the power of the Endermen, this creeper currently doesn't do any more damage than a normal Creeper.
Part of the Ender Texture Pack.
I am a walking Fire Gem. i live for power. No one can beat me.