Only one. They just hold it still and wait for the world to revolve around them.
Sonic the Swift Taylor
A: A hundred but they'll all be competing to be the one to change the bulb and bring light to the world.
None... they live an ascetic lifestyle and prefer to not use electricity.
I don't know, Vigo and see. (best read in Yanosh's voice)
Two. One to hold it in place, another to rotate the universe around it.
A gargoyle!
Just one, but it takes a really long time, and the lightbulb has to want to change...
N! One to change the light bulb, and n-1 to display stereotypical behavioral traits of X!
Wife: Please go wait in the car
One. They simply hold the bulb and wait for the world to revolve around them.
Just one she hokds the blub and the world revolves around her.
None. They just grab it and the world to revolve around them.
Ones filled with a bunch of baboons and the other just doesn't give a hoot during the day.
One is a Cunning array of Stunts...