Only one as the rest of the world simply MUST revolve around them...
A stamp.
Steven Hawking with a brake failure!
Just two, but you're going to need a lot of patience and light bulbs.
Two, but they have to be very small.
One. But he gets three hours credit.
Make that change"
Four feet tall, fold back teeth, flat head so you can rest your beer on it, and turns into a pizza at midnight.
He resisted a rest.
Only 1, she'll hold the bulb in place and wait while the world revolves around her.
One. They simply hold the bulb and wait for the world to revolve around them.
Saint Christopher
They both have Transparents.