I have no idea who this is but here is a mob of him
Achtung: Minifiziere den Command um Probleme zu vermeiden :)
the most xp levels in vanilla minecraft
Mob 6
BOB's Revenge!?!?
OP head
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)