MY BEST FRIEND!
Note: Minify the command to avoid issues :)
More Mobs: Frozen Zombies in 1 command. 1.8.7 (Read The comments)
Player Heads minecraft redstone
Ice army: The return PART I
Diamond Man (1.9.1)
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)