Yeah. It's a cave spider dressed in a diamond block.
Note: Minify the command to avoid issues :)
Survival super kit
Herobrine entered the world.
Special Villiger
CAVE SPIDER WEARING DIAMOND BLOCK!!!!!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)