Skeleton Tower Of DOOOOOM!
Note: Minify the command to avoid issues :)
Skeletal Dungeon Guardian
Pokéshield
Steed 3: Peasant's Better Steed
Garbage Can! In Minecraft 1.10!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)