None. In Russia, light bulb changes you.
Dimitree
Because he's never Finnish.
Find out next time, on Dragonball Z!!!
Not all of them.
Two. One to hold the bulb, and one to drink until the room starts spinning.
Just two. It only requires that either the people are very small or the light bulb is very large.
He's Snowden.
Because he was Snowden.