Guess who? It's Nightmare BON-BON!
Note: Minify the command to avoid issues :)
Bonnie The Bunny Minecraft Command
Springtrap Command
The Diamond Minecart Trader
Fredbear Command
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)