Only one. They don't like to share the spotlight.
or
Have an ice day!
or
Bison
or
Both of them.
or
By subsisting on titrations.
or
Just one more, guys, I promise.
or
You're Hired.
or
None; assholes never see the light anyway.
or
The barman says, "Is this some kind of joke?"
or
She has an uncontrollable craving for bologna.
or