I used MrGarretto's command combiner, so this is not entirely mine.
Achtung: Minifiziere den Command um Probleme zu vermeiden :)
Ant-Man Helmet
Finally done...
Mjölnir!
It's a surprise...
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)