None. They will never find a bulb that burns as brightly as the old one.
or
'It's not unusual' he replied.
or
On the latest episode of "Celebrity Apprentice", Donald Trump fired himself!
or
If Trump gets Alzheimers his IQ will go up.
or
One; she designs the bulb to crawl up the wall, unscrew the old one, and screw itself in.
or
Bozo The Clown has real hair on his head.
or
Does it have to be a light bulb? I've got this neat candle holder...
or