F(x), where f(x) = the optimal number of x for establishing a humorous stereotype.
Two. One to screw in the lightbulb and another to sing about all the good times they had with the lightbulb.
Two!.......pac. (*It's a lot better spoken than written.*)
If we change the light bulb we'll have to change everything.
Wuh-wuh-wuh-one.
As a Canadian, this offends me.