Ride this ghast! It's rideable! YES!!! IT'S TRUE!!!
Note: Minify the command to avoid issues :)
The Destroyer Spawner
HOW DARE YOU?!?!?!?!?!?!
Combat Pack In One Command!
SUPER MEGA ULTRA DUPER AWESOME HEROBRINE
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)