I was bored :p
Note: Minify the command to avoid issues :)
Iron Robot (Yup,another one)
Logdotzip riding Drumstick
Emerald Robot (Ohmygosh another one?)
Creeper Kit
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)