None. It's too dark.
Mr Macawber and Pollyanna!
Toucan
Just one. He holds up the light bulb, and the world revolves around him
4 no 5 no 6 no its really 4 - not sure, better flip a coin to get the right number
Virgos don't have time to change their own lightbulbs. They're too busy changing them for everyone else.
