Easter Bunny !!!
Note: Minify the command to avoid issues :)
Armor Stand killing someone!
Creeper Firework
Skeleton Mob (1.9.1)
Ghostly Horseman (1.9.1)
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)