I have no idea who this is but here is a mob of him
Achtung: Minifiziere den Command um Probleme zu vermeiden :)
Potion of OPNESS
Challenge Games Villager?
Mob 9
Mob 7
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)