Um, A Pork. Yeppp!
Note: Minify the command to avoid issues :)
Author Villager
The Killer ArmorStand, a Special Command!
E-Golem
KNIGHT IN A SPAWN_EGG
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)