1.9+ version of minecraft summon
Note: Minify the command to avoid issues :)
Long Charged Creeper - Minecraft Summon
Emerald Leggings - Minecraft Give
Stray Skeleton - Minecraft Summon
Skeleton King - Minecraft Summon
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)