All of them actually . Two to hold the ladder and one to change the lightbulb .
One. We're efficient not funny!
Just one guy with a really weird fetish.
A ladder.
3, a person, a ladder, and another lightbulb
With a blue elephant gun. You hold his trunk until he turns blue, then you shoot him with the blue elephant gun Edit: My 5 year old nephew loves this joke.
One to hold the lightbulb, and the rest of the world to revolve around them
One. We are efficient and don't have any humor.
Because their Zoos ran out of room.
Because she was out standing in her field.
They never let you finish first. (#s)
