Maybe pick names out of a HAT.
The Big Bang Theory Season 7, Episode 3
Yes, but which HAT?
The Big Bang Theory Season 11, Episode 15
He must be wearing a tinfoil HAT
or something.
The Big Bang Theory Season 6, Episode 6
It's also a HAT.
The Big Bang Theory Season 11, Episode 13
And a pointy HAT
sticking out of your eyeball.
The Big Bang Theory Season 8, Episode 22