I have a few hisser's who are just bluffers. They will puff up and hiss their heads off but will not strike at me. I have one bluff striker who misses when she strikes by a mile.
Then there is Zuri who does this:
and is just about 99.9% always on target:
I call her my "attack ball python". Sadly I'm usually the one who gets to see and feel her wrath.