You can change the creeper to any mob ;)
Note: Minify the command to avoid issues :)
CREEPER THAT DOESNT ATTACK U IN SURVIVAL
Never die from a creeper explosion
God potion pt of god equipment
Evil Scientist
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)