Only one as the rest of the world simply MUST revolve around them...
Sonic the Swift Taylor
None. They just hold it in the socket and expect the world to revolve around them.
Two. One to identify that the lightbulb has indeed burned out, and one to call the maintenence man to change the lightbulb.
None, he lets the knives do the work
0, the light bulb has to want to change itself.
Both should be changed regularly, and both for the same reason.
One, while the rest were kung fu fighting
He resisted a rest.
Just one. All he has to do is hold it in place while the world revolves around him.
One. He just stands there with the lightbulb and the whole world revolves around him.
Saint Christopher
They both have Transparents.
