Yeah!!!
Note: Minify the command to avoid issues :)
Endy the Ender Dragon! (Boss Battle) {Read Description First before using command}
Giant Slime and Giant Lava Slime
Dinnerbone the Giant Wither
Lightning Bolt!!!!!!!!!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)