Plain ol' skeles
Note: Minify the command to avoid issues :)
Crazy Negative Potion!
OP Trades! (Ores for God)
New 3rd Boss! Pretty Hard! Good for ending of Minecraft!
SUMMON SKELETONS!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)