I Like Walk Into A Bar Jokes

They're the perfect joke. It always gets a smile and it's so versatile.

Two guys walk into a bar. They say 'ow'.
Three men walk into a bar, you'd think one of them would have ducked.
A priest, a rabbi, and a nun walk into a bar. The bartender says "What is this, some kind of joke?"
An elf and an orc walk into a bar. The dwarf walked underneath it.

And so on.