3, a person, a ladder, and another lightbulb
Claude
Dead. Another anti-joke by the fabulous me. Surprisingly, nobody has down voted the first one yet.
Two. One to actually do it, the other to film it so fundamentalists won't claim that God did it.
None. They glow in the dark.
Two. One to hold the ladder and one to screw your mother - I mean light bulb!
That's impossible, because they can't climb the ladder.
Two test tickles
There's some things I've licked that I don't want.
Juan.
Because you have to change them.
Need for Speed.
Because he didn't need a living room anymore!
3. One to screw it in, the next to claim credit and the third to be a bot that reposts.
Three pirates