I have no idea who this is but here is a mob of him
Achtung: Minifiziere den Command um Probleme zu vermeiden :)
A loser silverfish
ALL DE POTIONS! ... potion XD
Zabin Easy Spawner
Typhlosion
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)