Get a (Awsome) Wither Skeleton Spawner!!! P.S. it comes with my face!!!
Note: Minify the command to avoid issues :)
Wither Skeleton
How to use /tellraw
MINDCRACK
American Football Chestplate
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)