Note: Minify the command to avoid issues :)
MAX POWER OF A COMMAND BLOCK!!! (1.9)
Chicken Jockey Jockey (1.9.1)
Armor Stand killing someone!
1.9 YOU WILL NEVER SEE SOMETHING LIKE THAT!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)