Ride this ghast! It's rideable! YES!!! IT'S TRUE!!!
Note: Minify the command to avoid issues :)
The Superhero Potion
God Sword / Instant Death Sword
HOW DARE YOU?!?!?!?!?!?!
Super Jump!!! V.1
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)