Just two, but they'd have to be really small.
Fish.
By holding the bulb up to the socket and waiting for the world to revolve around them.
Technically, just two, but it is really hard to get them to breed in captivity.
50: 3 to die trying, 1 to actually pull it off, and 46 other to say, "man, I could do that!"
People in Dubai don't watch The Flintstones But people in Abu Dhabi Do!!
He doesn't. He hires people with long fingers to do it for him.