zaaaaaaaaaasdsfdgfhj lk;;l"?
Note: Minify the command to avoid issues :)
More Mobs: Air Zombies 1.8.7 (Read The comments
Herobrine in one command ! (Don't spawn him!)
MOTHER OF ALL THE MOBS!!!!!
Creeper Firework
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)