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Note: Minify the command to avoid issues :)
Zombie Herobrine Boss (2 COMMANDS)
Throw fireballs with snowball
Ghost (1.9.1)
Notch has added a new mob to minecraft:Penguin
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)