A Brazilian!
Two. One to hold the bulb and other to drink until the room spins.
Three, One to hold the lightbulb and Two to smoke till the room spins!
None, because they can't change anything.
A: 1.99904274017 but that's close enough for non-technical people.
The Milky Hue.
Purr-tuguese
Chit-Shatting
To get to the other side.
Weak back.
Brazil... They've got Brazillions