Blow up your world!!!
Note: Minify the command to avoid issues :)
Herobrine in one command ! (Don't spawn him!)
Old steve's head
Creeper Firework
ALMOST BEST WOLF EVER (Must Tame it !)
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)