Four. One to change the bulb and three to make a t-shirt about it.
Just one. He holds the bulb and the room spins.
Only one. She stands with the bulb and the world revolves around her.
Probably one but you can't generalise.
She would need to reJennerate some balls. What does Caitlyn Jenner do before she goes out Bruce's up for the evening.
It can vary, but It's quite hilarious to watch.
One. But it'll take 3 episodes, and Krillin dies.
A Casual Tee.
A dog has a better understanding of no.