This is the Stone Soldier from Ore Army.
Note: Minify the command to avoid issues :)
Slenderman Talk Commands To Creep Out Your Friends
Zombie Calvary Soldier
Potion of Haste
Building Kit Villager
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)