My version of a zombie boss, goes well with the zombie minion.
Note: Minify the command to avoid issues :)
Passive Knight
NETHER GOD
S00P3R D00P3R Sw0RD!!1!1!1!1!1
Enchanted Golden Apple Potion
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)