A pigzombie boss!
Note: Minify the command to avoid issues :)
Random Skeleton Boss
Enderman Boss
Changes Your Head To Herobrine's Head! Great For Trolling!
MOST OVERPOWERED GOD POTION
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)