creeper!
Note: Minify the command to avoid issues :)
Sword you will ever need to have in vanilla minecraft
Ice army: The return PART I
Griefing Items in 1 command 1.8.7 (Read the comments!)
Ghost (1.9.1)
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)