1 Command: /tp @p @e[type=Blaze]
Note: Minify the command to avoid issues :)
BOSS BLAZE
RIDEABLE BLAZE IN TWO COMMANDS!
MY BOSS COMMAND
WILD CREEPER
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)