Pigs can fly, pigs can oink... why not pigs can kill?
Note: Minify the command to avoid issues :)
Killer Piggy Spawner
My Rideable Dragon
Boots of Speed
Make the nearest person a villager derp
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)